| Aberdeen | SK | Flooding, Local State of Emergency, Extreme Heat | 716 |
| Abernethy | SK | Extreme Heat | 1,112 |
| Acton Vale | QC | Extreme Heat | 7,656 |
| Addington Highlands | ON | Unsafe Air Quality | 2,534 |
| Airdrie | AB | Unsafe Air Quality | 77,079 |
| Aklavik | NT | Unsafe Air Quality | 536 |
| Alexander | MB | Flooding | 3,706 |
| Alonsa | MB | Local State of Emergency, Flooding | 1,210 |
| Amos | QC | Unsafe Air Quality, Extreme Heat | 12,675 |
| Amqui | QC | Extreme Heat | 1,423 |
| Angus | ON | Extreme Heat | 9,783 |
| Anmore | BC | Wildfire, Evacuation | 2,356 |
| Annapolis County | NS | Extreme Heat, Drought, Wildfire | 21,252 |
| Antelope Park | SK | Extreme Heat, Unsafe Air Quality | 226 |
| Antigonish County | NS | Extreme Heat | 20,129 |
| Antler | SK | Extreme Heat | 344 |
| Apsley | ON | Extreme Heat | 1,128 |
| Arborfield | SK | Extreme Heat | 338 |
| Argyle | MB | Severe Storm, Extreme Heat, Flooding | 994 |
| Argyle | SK | Extreme Heat | 364 |
| Arlington | SK | Extreme Heat | 359 |
| Arm River | SK | Extreme Heat | 258 |
| Armstrong | BC | Wildfire, Evacuation | 5,323 |
| Armstrong | ON | Evacuation, Wildfire, Extreme Heat | 146 |
| Armstrong | MB | Extreme Heat, Flooding | 298 |
| Arnprior | ON | Unsafe Air Quality | 9,629 |
| Aroland 83 First Nation reserve | ON | Unsafe Air Quality, Extreme Heat | 364 |
| Atikokan | ON | Extreme Heat, Wildfire | 2,664 |
| Attawapisak | ON | Extreme Heat | 1,586 |
| Auvergne | SK | Extreme Heat, Unsafe Air Quality | 381 |
| Aylmer | ON | Extreme Heat, Unsafe Air Quality | 7,492 |
| Badger | NL | Evacuation, Flooding | 682 |
| Baie-Sainte-Catherine | QC | Extreme Heat | 188 |
| Baildon | SK | Extreme Heat, Unsafe Air Quality | 583 |
| Bancroft | ON | Unsafe Air Quality | 4,065 |
| Banff | AB | Unsafe Air Quality | 8,737 |
| Barrhead | AB | Local State of Emergency, Wildfire, Evacuation | 4,317 |
| Barrie | ON | Extreme Heat, unsafe Air Quality | 147,829 |
| Barrier Valley | SK | Extreme Heat | 485 |
| Barry’s Bay | ON | Unsafe Air Quality | 1,318 |
| Bathurst | NB | Unsafe Air Quality, Extreme Heat | 12,714 |
| Battle River | SK | Extreme Heat | 296 |
| Bayne | SK | Extreme Heat | 246 |
| Beardmore | ON | Extreme Heat | 219 |
| Beauharnois | QC | Extreme Heat | 13,026 |
| Beauval | SK | Extreme Heat | 685 |
| Beaver County | AB | Flooding | 5,285 |
| Beaver River | SK | Extreme Heat | 1,326 |
| Beaverton | ON | Extreme Heat | 4,629 |
| Bécancour | QC | Extreme Heat | 13,959 |
| Behchoko | NT | Unsafe Air Quality | 1,746 |
| Belleville | ON | Extreme Heat, Unsafe Air Quality | 55,071 |
| Beloeil | QC | Extreme Heat | 24,127 |
| Bengough | SK | Extreme Heat, Unsafe Air Quality | 299 |
| Benson | SK | Extreme Heat | 238 |
| Beresford | NB | Unsafe Air Quality | 4,288 |
| Berthierville | QC | Extreme Heat | 4,231 |
| Big Arm | SK | Extreme Heat | 184 |
| Big River | SK | Local State of Emergency, Flooding, Extreme Heat | 994 |
| Big Stick | SK | Extreme Heat, Unsafe Air Quality | 347 |
| Biggar | SK | Extreme Heat, Unsafe Air Quality | 2,108 |
| Bighorn (M.D.) | AB | Unsafe Air Quality | 1,334 |
| Birch Hills | SK | Unsafe Air Quality | 1,165 |
| Birtle | MB | Flooding, Evacuation | 625 |
| Bjorkdale | SK | Extreme Heat | 906 |
| Black Lake | SK | Extreme Heat | 1,152 |
| Black Sturgeon Lake | ON | Extreme Heat | 778 |
| Black Tickle | NL | Extreme Heat | 87 |
| Blackville | NB | Extreme Heat | 928 |
| Blaine Lake | SK | Extreme Heat | 563 |
| Blind River | ON | Extreme Heat | 3,398 |
| Blucher | SK | Extreme Heat | 1,577 |
| Bluewater | ON | Extreme Heat, Unsafe Air Quality | 7,540 |
| Blyth | ON | Extreme Heat | 1,065 |
| Boissevain-Morton | MB | Local State of Emergency, Flooding, Extreme Heat | 2,309 |
| Bonaventure | QC | Extreme Heat | 2,706 |
| Bone Creek | SK | Extreme Heat, Unsafe Air Quality | 256 |
| Brabant Lake | SK | Unsafe Air Quality | 27 |
| Bracebridge | ON | Extreme Heat | 17,305 |
| Brampton | ON | Extreme Heat, Flooding | 656,480 |
| Brandon | MB | Local State of Emergency, Flooding | 51,313 |
| Brant County | ON | Extreme Heat, Unsafe Air Quality | 39,474 |
| Brantford | ON | Extreme Heat, Severe Storm, Unsafe Air Quality | 104,688 |
| Bratt’s Lake | SK | Extreme Heat | 319 |
| Brenda-Waskada | MB | Extreme Heat | 1,146 |
| Britannia | SK | Extreme Heat | 239 |
| Brochet | MB | Unsafe Air Quality | 547 |
| Brock | SK | Extreme Heat | 313 |
| Brockville | ON | Unsafe Air Quality | 22,706 |
| Brokenhead | MB | Extreme Heat | 5,414 |
| Brokenshell | SK | Extreme Heat | 347 |
| Brome-Missisquoi | QC | Extreme Heat | 70,404 |
| Browning | SK | Extreme Heat | 302 |
| Buchanan | SK | Extreme Heat | 237 |
| Buckland | SK | Unsafe Air Quality | 2,524 |
| Buffalo | SK | Extreme Heat | 186 |
| Buffalo Narrows | SK | Extreme Heat | 1,137 |
| Buffalo Point Res. | MB | Extreme Heat | 219 |
| Burlington | ON | Extreme Heat | 186,948 |
| Calder | SK | Extreme Heat | 335 |
| Caledon | ON | Extreme Heat | 76,581 |
| Caledonia | ON | Extreme Heat | 10,398 |
| Caledonia | SK | Extreme Heat | 331 |
| Cambria | SK | Extreme Heat | 331 |
| Cambridge | ON | Extreme Heat | 138,479 |
| Cambridge Bay | NU | Unsafe Air Quality, Extreme Heat | 1,403 |
| Campbellton | NB | Extreme Heat, Unsafe Air Quality | 7,047 |
| Cana | SK | Extreme Heat | 803 |
| Canaan | SK | Extreme Heat, Unsafe Air Quality | 252 |
| Canmore | AB | Local State of Emergency, Flooding | 15,990 |
| Canora | SK | Local State of Emergency, Flooding | 1,859 |
| Canwood | SK | Unsafe Air Quality | 622 |
| Caramat | ON | Extreme Heat | 45 |
| Carberry | MB | Flooding | 1,818 |
| Cariboo Regional District | BC | Unsafe Air Quality | 62,931 |
| Carleton County | NB | Extreme Heat | 26,360 |
| Carleton-sur-mer | QC | Extreme Heat | 4,215 |
| Carmacks | YT | Flooding | 588 |
| Carmichael | SK | Extreme Heat, Unsafe Air Quality | 294 |
| Caron | SK | Extreme Heat, Unsafe Air Quality | 938 |
| Cartier | MB | Extreme Heat | 3,344 |
| Cartwright | NL | Extreme Heat | 477 |
| Cartwright-Roblin Mun | MB | Extreme Heat | 1,336 |
| Cascapédia-Saint-Jules | QC | Extreme Heat | 705 |
| Cat Lake 63C First Nation reserve | ON | Unsafe Air Quality, Extreme Heat, Wildfire, Evacuation | 497 |
| Central Coast Regional District | BC | Flooding, Evacuation Alert | 3,582 |
| Central Manitoulin | ON | Local State of Emergency, Flooding | 2,235 |
| Chaleur Region | NB | Extreme Heat | 39,556 |
| Chandler | QC | Extreme Heat | 7,548 |
| Chapleau | ON | Extreme Heat | 1,964 |
| Chaplin | SK | Extreme Heat, Unsafe Air Quality | 222 |
| Charlotte County | NB | Extreme Heat | 26,015 |
| Châteauguay | QC | Extreme Heat | 50,866 |
| Chatham-Kent | ON | Extreme Heat, Unsafe Air Quality | 104,316 |
| Chénéville | QC | Extreme Heat | 826 |
| Chesterfield | SK | Extreme Heat, Unsafe Air Quality | 419 |
| Chibougamau | QC | Extreme Heat | 7,504 |
| Chippewas of Rama First Nation | ON | Extreme Heat, Unsafe Air Quality | 998 |
| Chisholm | ON | Local State of Emergency, Flooding | 1,312 |
| Churchbridge | SK | Extreme Heat | 584 |
| Churchill | MB | Flooding | 870 |
| Churchill Falls | NL | Extreme Heat | 732 |
| Clayton | SK | Extreme Heat | 631 |
| Clearwater County | AB | Unsafe Air Quality | 11,707 |
| Clinworth | SK | Extreme Heat, Unsafe Air Quality | 223 |
| Coalfields | SK | Extreme Heat | 1,027 |
| Coaticook | QC | Extreme Heat | 8,955 |
| Cobourg | ON | Extreme Heat | 20,519 |
| Colborne | ON | Extreme Heat | 1,474 |
| Colchester County | NS | Extreme Heat | 51,476 |
| Coldwell | MB | Extreme Heat | 1,313 |
| Collingwood | ON | Extreme Heat, Unsafe Air Quality | 24,811 |
| Colonsay | SK | Extreme Heat | 568 |
| Columbia Shuswap Regional District | BC | Drought, Extreme Heat, Wildfire, Evacuation, Unsafe Air Quality | 57,021 |
| Comox Valley Regional District | BC | Local State of Emergency, Flooding | 72,445 |
| Connaught | SK | Extreme Heat | 491 |
| Cookshire | QC | Extreme Heat | 5,425 |
| Coral Harbour | NU | Wildfire, Evacuation, Extreme Heat | 1,035 |
| Cordova Bay | BC | Flooding | 8,383 |
| Corman Park | SK | Extreme Heat | 8,909 |
| Cornwall | ON | Unsafe Air Quality | 46,589 |
| Cornwallis | MB | Flooding | 4,568 |
| Cote | SK | Extreme Heat | 616 |
| Cote First Nation | SK | Evacuation, Local State of Emergency, Flooding | 1,172 |
| Coteau | SK | Extreme Heat | 364 |
| Coulee | SK | Extreme Heat, Unsafe Air Quality | 244 |
| Cowan | MB | Flooding | 50 |
| Cowichan Valley Regional District | BC | Flooding, Evacuation, Severe Storm | 89,013 |
| Craik | SK | Extreme Heat, Unsafe Air Quality | 389 |
| Cranberry Portage | MB | Unsafe Air Quality, Extreme Heat | 608 |
| Crowsnest Pass | AB | Unsafe Air Quality | 5,851 |
| Crystal Lake | ON | Wildfire | 31 |
| Cumberland County | NS | Extreme Heat | 30,538 |
| Cupar | SK | Extreme Heat | 604 |
| Cut Knife | SK | Extreme Heat | 562 |
| Cymri | SK | Extreme Heat | 295 |
| Cypress County | AB | Extreme Heat | 7,471 |
| Dauphin | MB | Local State of Emergency, Flooding | 8,368 |
| De Salaberry | MB | Extreme Heat | 3,918 |
| Deer Forks | SK | Extreme Heat, Unsafe Air Quality | 233 |
| Delhi | ON | Extreme Heat | 5,544 |
| Deline | NT | Unsafe Air Quality | 573 |
| Deloraine-Winchester | MB | Local State of Emergency, Flooding, Extreme Heat | 1,478 |
| Desmaraisville | QC | Extreme Heat | 30 |
| Digby | NS | Extreme Heat | 17,062 |
| Doaktown | NB | Extreme Heat | 808 |
| Dogwood Valley | BC | Unsafe Air Quality | 133 |
| Dorion | ON | Extreme Heat | 316 |
| Dorval | QC | Extreme Heat | 19,302 |
| Douglas | SK | Extreme Heat | 411 |
| Drummondville | QC | Extreme Heat | 79,153 |
| Dryden | ON | Unsafe Air Quality | 7,749 |
| Dubreuilville | ON | Extreme Heat | 525 |
| Duck Lake | SK | Unsafe Air Quality | 586 |
| Dufferin | MB | Extreme Heat | 2,543 |
| Dufferin | SK | Extreme Heat, Unsafe Air Quality | 263 |
| Dundalk | ON | Extreme Heat | 2,326 |
| Dundurn | SK | Extreme Heat | 2,279 |
| Dunnville | ON | Extreme Heat | 5,911 |
| Eabametoong First Nation | ON | Evacuation, Wildfire | 977 |
| Eagle Creek | SK | Extreme Heat | 370 |
| Ear Falls | ON | Extreme Heat, Unsafe Air Quality | 901 |
| East St. Paul | MB | Extreme Heat | 6,572 |
| Edenwold | SK | Extreme Heat | 1,365 |
| Edmonton | AB | Severe Storm, Flooding, Unsafe Air Quality | 1,010,899 |
| Edmundston | NB | Extreme Heat | 16,437 |
| Eldon | SK | Extreme Heat | 723 |
| Elgin County | ON | Unsafe Air Quality | 52,338 |
| Elk Valley | BC | Unsafe Air Quality | 13,217 |
| Elkhorn | MB | Flooding | 397 |
| Elliot Lake | ON | Extreme Heat | 10,741 |
| Elmsthorpe | SK | Extreme Heat, Unsafe Air Quality | 245 |
| Elton | MB | Flooding | 1,217 |
| Emerson-Franklin | MB | Extreme Heat | 2,429 |
| Emo | ON | Extreme Heat | 1,204 |
| Enfield | SK | Extreme Heat, Unsafe Air Quality | 213 |
| Englehart | ON | Extreme Heat | 1,471 |
| Enniskillen | SK | Extreme Heat | 273 |
| Enterprise | NT | Unsafe Air Quality, Extreme Heat | 103 |
| Enterprise | SK | Extreme Heat, Unsafe Air Quality | 236 |
| Erin | ON | Extreme Heat | 12,531 |
| Essa Township | ON | Unsafe Air Quality | 26,379 |
| Essex County | ON | Extreme Heat, Unsafe Air Quality | 192,645 |
| Estevan | SK | Extreme Heat | 1,071 |
| Excel | SK | Extreme Heat, Unsafe Air Quality | 312 |
| Excelsior | SK | Extreme Heat, Unsafe Air Quality | 215 |
| Eye Hill | SK | Extreme Heat, Unsafe Air Quality | 584 |
| Eyebrow | SK | Extreme Heat, Unsafe Air Quality | 320 |
| Falkland | BC | Drought | 1,067 |
| Fermont | QC | Extreme Heat | 2,285 |
| Fertile Belt | SK | Extreme Heat | 1,709 |
| Fertile Valley | SK | Extreme Heat | 453 |
| Fillmore | SK | Extreme Heat | 290 |
| Fish Creek | SK | Extreme Heat | 292 |
| Flett’s Springs | SK | Extreme Heat | 818 |
| Flin Flon | MB | Unsafe Air Quality, Extreme Heat | 4,940 |
| Foleyet | ON | Extreme Heat | 165 |
| Fond-du-Lac | SK | Extreme Heat | 959 |
| Foothills County | AB | Extreme Heat | 24,203 |
| Fort Albany | ON | Extreme Heat | 775 |
| Fort Erie | ON | Extreme Heat | 32,901 |
| Fort Frances | ON | Evacuation, Wildfire, Extreme Heat | 7,466 |
| Fort Good Hope | NT | Extreme Heat | 499 |
| Fort Hope | ON | Extreme Heat | 977 |
| Fort Liard | NT | Extreme Heat, Unsafe Air Quality | 468 |
| Fort McMurray | AB | Wildfire | 76,006 |
| Fort McPherson | NT | Unsafe Air Quality | 647 |
| Fort Nelson | BC | Extreme Heat, Unsafe Air Quality | 3,336 |
| Fort Providence | NT | Unsafe Air Quality, Extreme Heat | 618 |
| Fort Resolution | NT | Extreme Heat, Unsafe Air Quality | 412 |
| Fort Simpson | NT | Evacuation, Wildfire, Extreme Heat, Unsafe Air Quality | 1,100 |
| Fort William | QC | Extreme Heat | 964 |
| Fort-Coulonge | QC | Local State of Emergency, Flooding | 1,312 |
| Forty Mile County | AB | Extreme Heat | 3,582 |
| Fox Valley | SK | Extreme Heat, Unsafe Air Quality | 355 |
| Francis | SK | Extreme Heat | 1,055 |
| Fraser Valley Regional District | BC | Evacuation, Wildfire, Flooding, Unsafe Air Quality | 324,005 |
| Fredericton | NB | Extreme Heat | 63,116 |
| French River | ON | Local State of Emergency, Flooding | 2,828 |
| Frenchman Butte | SK | Extreme Heat | 1,250 |
| Front of Yonge | ON | Unsafe Air Quality | 2,534 |
| Frontenac Islands | ON | Unsafe Air Quality | 1,744 |
| Frontier | SK | Extreme Heat, Unsafe Air Quality | 279 |
| Gananoque | ON | Unsafe Air Quality | 5,383 |
| Garden Hill First Nation | MB | Flooding | 2,776 |
| Garden River | SK | Unsafe Air Quality | 647 |
| Garry | SK | Extreme Heat | 294 |
| Gatineau | QC | Extreme Heat, Flooding, Local State of Emergency | 291,041 |
| Georgina | ON | Extreme Heat, Unsafe Air Quality | 47,106 |
| Gillam | MB | Flooding | 1,007 |
| Gillies | ON | Local State of Emergency, Wildfire | 441 |
| Gimli | MB | Flooding | 2,246 |
| Glen Bain | SK | Extreme Heat, Unsafe Air Quality | 207 |
| Glen McPherson | SK | Extreme Heat, Unsafe Air Quality | 129 |
| Glenside | SK | Extreme Heat | 240 |
| Goderich | ON | Extreme Heat, Unsafe Air Quality | 7,881 |
| Gogama | ON | Extreme Heat | 310 |
| Golden | BC | Unsafe Air Quality | 3,986 |
| Good Lake | SK | Extreme Heat | 407 |
| Gracefield | QC | Extreme Heat | 2,376 |
| Granby | QC | Extreme Heat | 90,833 |
| Grand Falls | NB | Extreme Heat | 4,349 |
| Grand Lake | NB | Extreme Heat | 5,725 |
| Grande Prairie | AB | Extreme Heat | 64,141 |
| Grande-Rivière | QC | Extreme Heat | 3,342 |
| Grandview | SK | Extreme Heat, Unsafe Air Quality | 270 |
| Grant | SK | Extreme Heat | 425 |
| Grass Lake | SK | Extreme Heat, Unsafe Air Quality | 230 |
| Grassland | MB | Extreme Heat | 1,249 |
| Grassy Creek | SK | Extreme Heat, Unsafe Air Quality | 284 |
| Grassy Narrows | ON | Extreme Heat, Unsafe Air Quality | 970 |
| Gravelbourg | SK | Extreme Heat, Unsafe Air Quality | 352 |
| Gravenhurst | ON | Extreme Heat | 13,157 |
| Grayson | SK | Extreme Heat | 452 |
| Great Bend | SK | Extreme Heat | 257 |
| Greater Madawaska | ON | Unsafe Air Quality | 2,864 |
| Greater Napanee | ON | Unsafe Air Quality | 16,879 |
| Greater Sudbury | ON | Extreme Heat | 166,004 |
| Green Lake | SK | Extreme Heat | 288 |
| Greenstone | ON | Extreme Heat, Unsafe Air Quality | 4,309 |
| Greenview | AB | Unsafe Air Quality | 8,584 |
| Grey | MB | Extreme Heat | 2,517 |
| Grey County | ON | Extreme Heat | 100,905 |
| Griffin | SK | Extreme Heat | 247 |
| Grimsby | ON | Extreme Heat | 28,883 |
| Guelph | ON | Extreme Heat, Unsafe Air Quality | 143,740 |
| Gull Bay First Nation (Kiashke Zaaging Anishinaabek) | ON | Evacuation, Wildfire, Extreme Heat | 236 |
| Gull Lake | SK | Extreme Heat, Unsafe Air Quality | 463 |
| Guysborough County | NS | Extreme Heat | 7,373 |
| Haldimand | ON | Extreme Heat, Unsafe Air Quality | 49,216 |
| Halifax Regional Municipality | NS | Evacuation, Wildfire, Extreme Heat | 439,819 |
| Halton Hills | ON | Extreme Heat | 62,951 |
| Hamilton | ON | Extreme Heat | 569,353 |
| Hanover | MB | Extreme Heat | 17,216 |
| Hants County | NS | Extreme Heat | 45,140 |
| Happy Valley | SK | Extreme Heat, Unsafe Air Quality | 326 |
| Happyland | SK | Extreme Heat, Unsafe Air Quality | 285 |
| Harris | SK | Extreme Heat | 294 |
| Harrison Park | MB | Flooding | 1,852 |
| Hart Butte | SK | Extreme Heat, Unsafe Air Quality | 312 |
| Hastings Highlands | ON | Unsafe Air Quality | 4,123 |
| Hay River | NT | Extreme Heat, Unsafe Air Quality | 3,169 |
| Hazel Dell | SK | Extreme Heat | 290 |
| Headingley | MB | Extreme Heat | 3,215 |
| Hearst | ON | Extreme Heat | 5,396 |
| Heart’s Hill | SK | Extreme Heat, Unsafe Air Quality | 379 |
| Hemmingford | QC | Extreme Heat | 2,984 |
| Hillsborough | SK | Extreme Heat, Unsafe Air Quality | 248 |
| Hillsdale | ON | Extreme Heat | 553 |
| Hillsdale | SK | Extreme Heat | 255 |
| Hoodoo | SK | Extreme Heat | 240 |
| Hornepayne | ON | Extreme Heat | 980 |
| Hudson | BC | Flooding | 3,052 |
| Hudson Bay | SK | Extreme Heat | 1,001 |
| Huntingdon | QC | Extreme Heat | 2,527 |
| Huron | SK | Extreme Heat, Unsafe Air Quality | 304 |
| Huron County | ON | Extreme Heat, Unsafe Air Quality | 61,366 |
| Ignace | ON | Extreme Heat, Wildfire, Evacuation | 1,202 |
| Île à la Crosse | SK | Extreme Heat | 1,296 |
| Ilford | MB | Flooding | 138 |
| Indian Head | SK | Extreme Heat | 455 |
| Inglis | MB | Flooding | 200 |
| Innisfil | ON | Extreme Heat, Unsafe Air Quality | 43,326 |
| Insinger | SK | Extreme Heat | 274 |
| Inuvik | NT | Unsafe Air Quality | 3,137 |
| Invergordon | SK | Extreme Heat | 801 |
| Invermay | SK | Extreme Heat | 265 |
| Iqaluit | NU | Extreme Heat | 7,429 |
| Iroquois Falls | ON | Extreme Heat | 4,537 |
| James Bay | QC | Extreme Heat, Unsafe Air Quality | 2,638 |
| Jamésie | QC | Extreme Heat | 14,832 |
| Jasper | AB | Unsafe Air Quality | 4,738 |
| Jean Marie River | NT | Unsafe Air Quality | 68 |
| Joliette | QC | Extreme Heat | 21,384 |
| Kamsack | SK | Local State of Emergency, Flooding | 1,726 |
| Kananaskis | AB | Local State of Emergency, Flooding | 221 |
| Kangirsuk | QC | Extreme Heat | 561 |
| Kapuskasing | ON | Extreme Heat | 8,057 |
| Kaslo | BC | Unsafe Air Quality | 1,049 |
| Kawartha Lakes | ON | Extreme Heat | 79,247 |
| Keeseekoose First Nation | SK | Local State of Emergency, Flooding | 1,200 |
| Kelowna | BC | Extreme Heat | 144,576 |
| Kennebecasis Valley | NB | Extreme Heat | 15,473 |
| Kenora | ON | Extreme Heat, Unsafe Air Quality | 15,096 |
| Kent County | NB | Extreme Heat | 30,475 |
| Key West | SK | Extreme Heat, Unsafe Air Quality | 227 |
| Keys | SK | Extreme Heat | 548 |
| Kilarney | ON | Drought | 681 |
| Killarney-Turtle Mountain | MB | Flooding, Extreme Heat | 3,520 |
| Kimmirut | NU | Extreme Heat | 426 |
| Kincardine | ON | Extreme Heat | 12,268 |
| Kindersley | SK | Extreme Heat, Unsafe Air Quality | 1,180 |
| King George | SK | Extreme Heat | 276 |
| Kings County | NB | Extreme Heat | 71,248 |
| Kings County | NS | Extreme Heat | 62,914 |
| Kings County | PEI | Extreme Heat | 19,657 |
| Kingston | ON | Unsafe Air Quality | 132,485 |
| Kinistino | SK | Local State of Emergency, Flooding | 700 |
| Kinoosao-Thomas Clark | SK | Unsafe Air Quality | 15 |
| Kirkland Lake | ON | Extreme Heat | 7,981 |
| Kitchener | ON | Extreme Heat | 256,885 |
| Kitzowit | BC | Evacuation, Wildfire, Local State of Emergency | 21 |
| Klahkamich | BC | Evacuation, Wildfire, Local State of Emergency | 33 |
| Klickkumcheen | BC | Evacuation, Wildfire, Local State of Emergency | 82 |
| Komoka | ON | Extreme Heat, Unsafe Air Quality | 1,882 |
| Kootenay Boundary | BC | Unsafe Air Quality | 31,447 |
| Kugaaruk | NU | Extreme Heat | 1,382 |
| Kugluktuk | NU | Unsafe Air Quality | 1,491 |
| L’Ascension | QC | Local State of Emergency, Severe Storm | 2,009 |
| La Broquerie | MB | Extreme Heat | 6,076 |
| La Grande River | QC | Extreme Heat, Unsafe Air Quality | 3,384 |
| La Loche | SK | Extreme Heat | 2,557 |
| La Pêche | QC | Extreme Heat | 8,636 |
| La Prairie | QC | Extreme Heat | 25,558 |
| La Sarre | QC | Unsafe Air Quality, Extreme Heat | 7,358 |
| Labrador City | NL | Unsafe Air Quality | 7,412 |
| Lac des Mille Lacs First Nation | ON | Evacuation, Wildfire | – |
| Lac du Bonnet | MB | Extreme Heat, Flooding | 1,189 |
| Lac La Croix First Nation (Gakijiwanong Anishinaabe Nation) | ON | Evacuation, Wildfire | 118 |
| Lac Pelletier | SK | Extreme Heat, Unsafe Air Quality | 322 |
| Lac Seul 28 First Nation reserve | ON | Unsafe Air Quality | 852 |
| Lac Ste. Anne County | AB | Flooding | 11,300 |
| Lac-Etchemin | QC | Extreme Heat | 4,028 |
| Lac-Mégantic | QC | Extreme Heat | 5,747 |
| Lacadena | SK | Extreme Heat, Unsafe Air Quality | 296 |
| Lachute | QC | Extreme Heat | 13,649 |
| Lacolle area | QC | Extreme Heat | 2,708 |
| Laird | SK | Extreme Heat | 1,062 |
| Lajord | SK | Extreme Heat | 418 |
| Lake Alma | SK | Extreme Heat | 233 |
| Lake Johnson | SK | Extreme Heat, Unsafe Air Quality | 242 |
| Lake Lenore | SK | Extreme Heat | 506 |
| Lake of The Rivers | SK | Extreme Heat, Unsafe Air Quality | 366 |
| Lakefield | ON | Extreme Heat | 2,852 |
| Lakeland | SK | Unsafe Air Quality | 1,160 |
| Lambton County | ON | Extreme Heat | 126,199 |
| Lanark County | ON | Unsafe Air Quality, Extreme Heat | 76,018 |
| Langenburg | SK | Extreme Heat | 1,511 |
| Lansdowne House (Neskantaga First Nation) | ON | Extreme Heat | 244 |
| Latchford | ON | Drought | 313 |
| Laurier | SK | Extreme Heat | 353 |
| Laval | QC | Extreme Heat | 438,366 |
| Lawtonia | SK | Extreme Heat, Unsafe Air Quality | 283 |
| Le Bic | QC | Extreme Heat | 1,132 |
| Leaf Rapids | MB | Unsafe Air Quality, Extreme Heat | 351 |
| Leamington | ON | Extreme Heat, Unsafe Air Quality | 29,680 |
| Leask | SK | Unsafe Air Quality | 364 |
| Lebel-sur-Quévillon | QC | Unsafe Air Quality, Extreme Heat | 2,091 |
| Lethbridge | AB | Extreme Heat | 98,406 |
| Lethbridge County | AB | Extreme Heat | 10,779 |
| Lillooet | BC | Extreme Heat, Unsafe Air Quality | 2,522 |
| Lincoln | ON | Extreme Heat | 25,719 |
| Lindsay | ON | Extreme Heat | 21,216 |
| Lipton | SK | Extreme Heat | 458 |
| Listowel | ON | Extreme Heat | 9,539 |
| Little Grand Rapids | MB | Flooding | 1,632 |
| Livingston | SK | Extreme Heat | 281 |
| Lomond | SK | Extreme Heat | 258 |
| London | ON | Extreme Heat, Unsafe Air Quality, Severe Storm | 422,324 |
| Lone Tree | SK | Extreme Heat, Unsafe Air Quality | 219 |
| Longlaketon | SK | Extreme Heat | 1,032 |
| Longueuil | QC | Extreme Heat | 254,483 |
| Loon Lake | SK | Extreme Heat | 759 |
| Loreburn | SK | Extreme Heat | 100 |
| Lorne | MB | Extreme Heat | 2,904 |
| Lost River | SK | Extreme Heat | 274 |
| Louise | MB | Extreme Heat | 2,025 |
| Low | QC | Extreme Heat | 968 |
| Loyalist Township | ON | Unsafe Air Quality | 17,801 |
| Lumsden | SK | Extreme Heat | 1,795 |
| Lunenburg county | NS | Extreme Heat | 48,599 |
| Lutsel K’e | NT | Unsafe Air Quality | 317 |
| Lynn Lake | MB | Unsafe Air Quality, Extreme Heat | 579 |
| Lytton | BC | Unsafe Air Quality, Wildfire, Evacuation | 23,819 |
| Macdonald | MB | Extreme Heat | 8,582 |
| Machin | ON | Unsafe Air Quality | 1,074 |
| Mackenzie County | AB | Extreme Heat, Unsafe Air Quality | 12,804 |
| Madawaska County | NB | Extreme Heat | 32,603 |
| Madoc | ON | Unsafe Air Quality | 1,734 |
| Makkovik | NL | Unsafe Air Quality, Extreme Heat | 365 |
| Malartic | QC | Unsafe Air Quality, Extreme Heat | 3,355 |
| Manitou Lake | SK | Extreme Heat | 585 |
| Manitoulin district | ON | Severe Storm | 13,935 |
| Manitouwadge | ON | Extreme Heat | 1,974 |
| Maniwaki | QC | Extreme Heat | 3,555 |
| Mankota | SK | Extreme Heat, Unsafe Air Quality | 229 |
| Mansfield-et-Pontefract | QC | Evacuation, Local State of Emergency, Flooding | 2,250 |
| Maple Bush | SK | Extreme Heat, Unsafe Air Quality | 250 |
| Maple Creek | SK | Extreme Heat, Unsafe Air Quality | 569 |
| Marieville | QC | Extreme Heat | 11,332 |
| Mariposa | SK | Extreme Heat, Unsafe Air Quality | 332 |
| Markham | ON | Extreme Heat, Unsafe Air Quality | 338,503 |
| Marquis | SK | Extreme Heat, Unsafe Air Quality | 257 |
| Marriott | SK | Extreme Heat, Unsafe Air Quality | 355 |
| Marten Falls First Nation | ON | Extreme Heat | 243 |
| Mascouche | QC | Extreme Heat | 51,183 |
| Matagami | QC | Extreme Heat, Severe Storm | 1,402 |
| Matapédia | QC | Extreme Heat | 598 |
| Mattawa | ON | Extreme Heat | 1,936 |
| Maxville | ON | Unsafe Air Quality | 816 |
| Mayfield | SK | Extreme Heat | 973 |
| Mayne Island | BC | Drought | 1,304 |
| McCraney | SK | Extreme Heat | 259 |
| McDowell Lake First Nation | ON | Wildfire | 55 |
| McKillop | SK | Extreme Heat | 1,145 |
| McLeod | SK | Extreme Heat | 911 |
| Meadow Lake | SK | Local State of Emergency, Flooding, Extreme Heat | 5,338 |
| Medicine Hat | AB | Extreme Heat | 63,271 |
| Medstead | SK | Extreme Heat | 1,311 |
| Meeting Lake | SK | Unsafe Air Quality | 298 |
| Meota | SK | Extreme Heat | 1,010 |
| Merrickville-Wolford | ON | Unsafe Air Quality | 2,967 |
| Merritt | BC | Drought | 7,051 |
| Mervin | SK | Extreme Heat | 1,261 |
| Middlesex County | ON | Extreme Heat, Unsafe Air Quality | 83,976 |
| Midland | ON | Extreme Heat, Unsafe Air Quality | 17,817 |
| Milden | SK | Extreme Heat | 220 |
| Milton | ON | Extreme Heat | 132,979 |
| Milton | SK | Extreme Heat, Unsafe Air Quality | 270 |
| Milverton | ON | Extreme Heat | 1,906 |
| Minden Hills | ON | Local State of Emergency, Flooding | 6,971 |
| Minitonas-Bowsman | MB | Local State of Emergency, Flooding | 1,134 |
| Minnedosa | MB | Local State of Emergency, Flooding | 2,821 |
| Miquelon | QC | Extreme Heat | 600 |
| Miramichi | NB | Extreme Heat | 17,537 |
| Miry Creek | SK | Extreme Heat, Unsafe Air Quality | 425 |
| Mishkeegogamang First Nation | ON | Wildfire | 757 |
| Mississauga | ON | Extreme Heat, Flooding | 717,961 |
| Mitchell | ON | Extreme Heat | 4,636 |
| Moncton | NB | Extreme Heat | 79,470 |
| Monet | SK | Extreme Heat, Unsafe Air Quality | 210 |
| Mont-Albert | QC | Extreme Heat | 167 |
| Mont-Joli | QC | Extreme Heat | 6,281 |
| Mont-Orford | QC | Extreme Heat | 5,288 |
| Mont-Tremblant | QC | Extreme Heat | 10,992 |
| Montcalm | MB | Extreme Heat | 1,288 |
| Montmartre | SK | Extreme Heat | 458 |
| Montréal | QC | Extreme Heat, Unsafe Air Quality | 1,762,949 |
| Montrose | SK | Extreme Heat | 220 |
| Moose Creek | SK | Extreme Heat | 319 |
| Moose Jaw | SK | Extreme Heat, Unsafe Air Quality | 33,665 |
| Moose Jaw (R.M.) | SK | Unsafe Air Quality | 1,163 |
| Moose Mountain | SK | Extreme Heat | 327 |
| Moose Range | SK | Evacuation, Flooding, Local State of Emergency | 942 |
| Moosonee | ON | Extreme Heat | 1,512 |
| Morris | MB | Extreme Heat, Local State of Emergency, Severe Storm | 1,885 |
| Morris | SK | Extreme Heat | 280 |
| Morse | SK | Extreme Heat, Unsafe Air Quality | 245 |
| Morson | ON | Unsafe Air Quality | 94 |
| Mount Pleasant | SK | Extreme Heat, Unsafe Air Quality | 259 |
| Mountain | MB | Flooding | 443 |
| Mountain View | SK | Extreme Heat, Unsafe Air Quality | 277 |
| Mulmur | ON | Extreme Heat | 3,443 |
| Murdochville | QC | Extreme Heat | 570 |
| Nakusp | BC | Unsafe Air Quality | 1,524 |
| Namaygoosisagagun First Nation (Collins First Nation) | ON | Evacuation, Wildfire | – |
| Naujaat | NU | Unsafe Air Quality | 1,225 |
| Neepawa | MB | Flooding | 5,685 |
| Nelson | BC | Unsafe Air Quality | 11,106 |
| Neskantaga First Nation | ON | Extreme Heat | 240 |
| New Carlisle | QC | Extreme Heat | 1,333 |
| New Richmond | QC | Extreme Heat | 3,706 |
| New Tecumseth | ON | Extreme Heat, Unsafe Air Quality | 43,948 |
| Newcombe | SK | Extreme Heat, Unsafe Air Quality | 205 |
| Newell County | AB | Extreme Heat | 7,661 |
| Newmarket | ON | Extreme Heat, Unsafe Air Quality | 87,942 |
| Niagara Falls | ON | Extreme Heat | 94,415 |
| Niagara-on-the-Lake | ON | Extreme Heat | 18,373 |
| Nicolet | QC | Extreme Heat | 8,180 |
| Nipawin | SK | Extreme Heat | 655 |
| Nipissing | ON | Extreme Heat | 1,769 |
| Norfolk County | ON | Extreme Heat, Unsafe Air Quality | 67,490 |
| Norman Wells | NT | Unsafe Air Quality | 673 |
| North Bay | ON | Extreme Heat | 52,662 |
| North Dundas | ON | Unsafe Air Quality | 11,304 |
| North Frontenac | ON | Unsafe Air Quality | 2,285 |
| North Grenville | ON | Unsafe Air Quality | 17,977 |
| North Kawartha | ON | Extreme Heat | 2,877 |
| North Qu’Appelle | SK | Extreme Heat | 2,026 |
| Northeastern Manitoulin and the Islands | ON | Drought | 2,826 |
| Northern Bruce Peninsula | ON | Extreme Heat | 4,404 |
| Northern Lights County | AB | Unsafe Air Quality, Extreme Heat | 4,286 |
| Northumberland County | ON | Extreme Heat | 89,365 |
| Norton | SK | Extreme Heat | 292 |
| Norway House Cree Nation | MB | Evacuation, Wildfire, Extreme Heat | 8,751 |
| O-Pipon-Na-Piwin Cree Nation | MB | Local State of Emergency, Evacuation, Wildfire | 1,142 |
| Oakdale | SK | Unsafe Air Quality, Extreme Heat | 282 |
| Oakville | ON | Extreme Heat | 213,759 |
| Ochre River | MB | Flooding | 1,056 |
| Ogoki (Marten Falls First Nation) | ON | Extreme Heat | 350 |
| Old Crow | YT | Unsafe Air Quality | 221 |
| Old Post | SK | Unsafe Air Quality, Extreme Heat | 221 |
| Orangeville | ON | Extreme Heat | 30,167 |
| Orillia | ON | Extreme Heat | 33,411 |
| Orkney | SK | Extreme Heat | 2,314 |
| Oromocto | NB | Extreme Heat | 9,045 |
| Oshawa | ON | Extreme Heat | 175,383 |
| Ottawa | ON | Extreme Heat, Severe Storm, Flooding, Unsafe Air Quality | 1,017,449 |
| Oxford County | ON | Extreme Heat, Unsafe Air Quality | 121,781 |
| Paddockwood | SK | Unsafe Air Quality | 154 |
| Papineauville | QC | Extreme Heat | 2,183 |
| Parkdale | SK | Extreme Heat | 477 |
| Parkhill | ON | Extreme Heat | 1,707 |
| Pauingassi First Nation | MB | Flooding | 496 |
| Paynton | SK | Extreme Heat | 364 |
| Peace River | AB | Evacuation Alert, Flooding, Severe Storm | 7,200 |
| Peawanuck | ON | Unsafe Air Quality | 237 |
| Peguis First Nation | MB | Evacuation, Flooding | 3,053 |
| Pelham | ON | Extreme Heat | 17,110 |
| Pemberton | BC | Evacuation, Wildfire | 3,407 |
| Pembina | MB | Extreme Heat | 2,406 |
| Pembroke | ON | Unsafe Air Quality | 13,882 |
| Pense | SK | Unsafe Air Quality, Extreme Heat | 603 |
| Penticton | BC | Extreme Heat, Drought | 36,885 |
| Perdue | SK | Extreme Heat | 538 |
| Petawawa | ON | Unsafe Air Quality | 17,175 |
| Peterborough | ON | Unsafe Air Quality, Extreme Heat | 83,651 |
| Petit-Rocher | NB | Unsafe Air Quality | 1,897 |
| Petit-Saguenay | QC | Extreme Heat | 653 |
| Petrolia | ON | Extreme Heat, Unsafe Air Quality | 6,013 |
| Piapot | SK | Extreme Heat, Unsafe Air Quality | 234 |
| Pickering | ON | Extreme Heat | 99,186 |
| Pickle Lake | ON | Wildfire, Unsafe Air Quality, Evacuation, Extreme Heat | 398 |
| Pictou County | NS | Extreme Heat | 43,657 |
| Piikani Reserve | AB | Unsafe Air Quality | 3,822 |
| Pikangikum | ON | Unsafe Air Quality, Extreme Heat | 2,503 |
| Pinawa | MB | Extreme Heat, Flooding | 1,331 |
| Pincher Creek | AB | Unsafe Air Quality | 3,845 |
| Pine Creek | MB | Local State of Emergency, Flooding | 700 |
| Piney | MB | Extreme Heat, Flooding | 1,737 |
| Pinto Creek | SK | Extreme Heat, Unsafe Air Quality | 288 |
| Pipestone | MB | Flooding, Extreme Heat | 1,510 |
| Pittville | SK | Extreme Heat, Unsafe Air Quality | 233 |
| Pleasant Valley | SK | Extreme Heat, Unsafe Air Quality | 341 |
| Pleasantdale | SK | Extreme Heat | 599 |
| Poplar Hill | ON | Extreme Heat | 486 |
| Poplar Valley | SK | Extreme Heat, Unsafe Air Quality | 250 |
| Porcupine | SK | Extreme Heat | 736 |
| Port Alberni | BC | Flooding | 18,259 |
| Port Colborne | ON | Extreme Heat | 18,306 |
| Port-Daniel | QC | Extreme Heat | 2,271 |
| Portage La Prairie | MB | Extreme Heat, Flooding | 12,944 |
| Postville | NL | Unsafe Air Quality, Extreme Heat | 177 |
| Powassan | ON | Extreme Heat | 3,455 |
| Prairie Lakes | MB | Extreme Heat | 1,625 |
| Prairiedale | SK | Extreme Heat, Unsafe Air Quality | 215 |
| Preeceville | SK | Extreme Heat | 966 |
| Prescott | ON | Unsafe Air Quality | 4,228 |
| Prince Albert | SK | Unsafe Air Quality | 37,756 |
| Prince Albert (R.M.) | SK | Unsafe Air Quality | 2,743 |
| Prince County | PEI | Extreme Heat | 46,234 |
| Prince Edward County | ON | Extreme Heat, Unsafe Air Quality | 25,704 |
| Prince George | BC | Unsafe Air Quality | 89,490 |
| Progress | SK | Extreme Heat, Unsafe Air Quality | 292 |
| Pukatawagan | MB | Unsafe Air Quality, Extreme Heat | 1,844 |
| Queens County | NB | Extreme Heat | 10,586 |
| Queens County | NS | Extreme Heat | 10,501 |
| Queens County | PEI | Extreme Heat | 89,770 |
| Quill Lake | SK | Flooding, Local State of Emergency | 377 |
| Quinte West | ON | Unsafe Air Quality, Extreme Heat | 46,560 |
| Rainy River | ON | Extreme Heat | 752 |
| Rama First Nation | ON | Flooding | 998 |
| Ramara | ON | Extreme Heat | 10,377 |
| Ranchland | AB | Unsafe Air Quality | 92 |
| Rapides-des-Joachims | QC | Extreme Heat | 166 |
| Rawdon | QC | Extreme Heat | 11,134 |
| Reciprocity | SK | Extreme Heat | 288 |
| Red Deer County | AB | Flooding | 19,933 |
| Red Lake | ON | Extreme Heat, Unsafe Air Quality | 4,094 |
| Redberry | SK | Extreme Heat | 1,034 |
| Redburn | SK | Extreme Heat, Unsafe Air Quality | 261 |
| Reford | SK | Extreme Heat, Unsafe Air Quality | 256 |
| Regina | SK | Extreme Heat | 226,404 |
| Regional District of Central Okanagan | BC | Wildfire, Evacuation, Unsafe Air Quality | 222,162 |
| Regional district of Kitimat-Stikine | BC | Local State of Emergency, Flooding | 37,790 |
| Regional District of North Okanagan | BC | Wildfire, Evacuation, Unsafe Air Quality | 91,702 |
| Renfrew | ON | Unsafe Air Quality | 8,223 |
| Reno | SK | Extreme Heat, Unsafe Air Quality | 232 |
| Restigouche County | NB | Extreme Heat, Unsafe Air Quality | 30,700 |
| Revelstoke | BC | Unsafe Air Quality | 8,275 |
| Reynolds | MB | Extreme Heat, Flooding | 1,338 |
| Rhineland | MB | Extreme Heat, Severe Storm, Local State of Emergency | 5,819 |
| Richmond | QC | Extreme Heat | 3,259 |
| Richmond Hill | ON | Extreme Heat, Unsafe Air Quality | 202,022 |
| Richot | MB | Flooding | 7,469 |
| Rigolet | NL | Extreme Heat | 327 |
| Rimouski | QC | Extreme Heat | 48,935 |
| Riverdale | MB | Extreme Heat | 2,007 |
| Riverside | SK | Extreme Heat, Unsafe Air Quality | 299 |
| Rivière-Éternité | QC | Extreme Heat | 445 |
| Roblin | MB | Flooding, Local State of Emergency | 1,728 |
| Rockwood | MB | Extreme Heat, Evacuation, Flooding | 8,440 |
| Rocky View County | AB | Extreme Heat | 41,028 |
| Rodgers | SK | Extreme Heat, Unsafe Air Quality | 249 |
| Rodney | ON | Extreme Heat | 1,075 |
| Roland | MB | Flooding, Extreme Heat | 1,145 |
| Rosedale | MB | Flooding | 1,510 |
| Rosedale | SK | Extreme Heat | 220 |
| Rosemount | SK | Extreme Heat, Unsafe Air Quality | 219 |
| Rosser | MB | Extreme Heat | 1,591 |
| Rosthern | SK | Extreme Heat | 1,180 |
| Round Hill | SK | Extreme Heat | 354 |
| Round Valley | SK | Extreme Heat | 761 |
| Rouyn-Noranda | QC | Unsafe Air Quality, Extreme Heat | 42,313 |
| Rudy | SK | Extreme Heat | 1,110 |
| Russell | MB | Flooding | 1,622 |
| Russell | ON | Unsafe Air Quality | 18,327 |
| Saint-André-de-Restigouche | QC | Extreme Heat | 154 |
| Saint-David-de-Falardeau | QC | Extreme Heat | 2,866 |
| Saint-Eustache | QC | Extreme Heat | 45,276 |
| Saint-Gabriel | QC | Extreme Heat | 2,803 |
| Saint-Georges-de-Beauce | QC | Extreme Heat | 32,513 |
| Saint-Hyacinthe | QC | Extreme Heat | 57,239 |
| Saint-Jérôme | QC | Extreme Heat | 80,213 |
| Saint-Rémi | QC | Extreme Heat | 8,607 |
| Saint-Sauveur | QC | Extreme Heat | 10,018 |
| Sainte-Adèle | QC | Extreme Heat | 13,328 |
| Sainte-Agathe | QC | Extreme Heat | 11,968 |
| Sainte-Marie-de-Beauce | QC | Extreme Heat | 14,692 |
| Sainte-Rose-du-Nord | QC | Extreme Heat | 432 |
| Salluit | QC | Extreme Heat | 1,580 |
| Salmon Arm | BC | Drought | 19,432 |
| Saltcoats | SK | Extreme Heat | 817 |
| Sandy Beach | AB | Wildfire, Local State of Emergency | 278 |
| Sarnia | ON | Extreme Heat, Unsafe Air Quality | 72,047 |
| Sarnia | SK | Extreme Heat, Unsafe Air Quality | 273 |
| Saskatchewan Landing | SK | Extreme Heat, Unsafe Air Quality | 292 |
| Saskatoon | SK | Extreme Heat | 266,141 |
| Saugeen Shores | ON | Extreme Heat | 15,908 |
| Sault Ste. Marie | ON | Extreme Heat, Unsafe Air Quality | 72,051 |
| Schefferville | QC | Extreme Heat, Unsafe Air Quality | 244 |
| Scott | SK | Extreme Heat | 1,028 |
| Seabird Island | BC | Wildfire, Unsafe Air Quality | 839 |
| Searchmont | ON | Extreme Heat | 445 |
| Seine River First Nation reserve | ON | Unsafe Air Quality, Extreme Heat | 270 |
| Senlac | SK | Extreme Heat | 160 |
| Senneterre | QC | Unsafe Air Quality, Extreme Heat | 2,782 |
| Severn | ON | Extreme Heat, Unsafe Air Quality | 14,576 |
| Shamrock | SK | Extreme Heat, Unsafe Air Quality | 294 |
| Shawville | QC | Extreme Heat, Unsafe Air Quality | 1,587 |
| Shelburne | ON | Extreme Heat | 8,833 |
| Shelburne County | NS | Extreme Heat | 13,704 |
| Shellbrook | SK | Wildfire, Evacuation, Unsafe Air Quality | 1,472 |
| Sherbrooke | QC | Extreme Heat | 172,950 |
| Sherwood | SK | Extreme Heat | 1,118 |
| Shoal River Indian Reserve | MB | Extreme Heat, Flooding | 752 |
| Sifton | MB | Extreme Heat | 1,101 |
| Siksika | AB | Extreme Heat | 3,922 |
| Simcoe | ON | Extreme Heat | 13,922 |
| Sioux Lookout | ON | Extreme Heat, Unsafe Air Quality | 5,839 |
| Sioux Narrows-Nestor Falls | ON | Extreme Heat, Unsafe Air Quality | 727 |
| Sioux Valley Dakota Nation | MB | Flooding, Local State of Emergency | 2,604 |
| Slate Falls Nation | ON | Wildfire | 299 |
| Sliding Hills | SK | Extreme Heat | 398 |
| Smithers | BC | Flooding, Unsafe Air Quality | 5,378 |
| Smiths Falls | ON | Unsafe Air Quality | 9,254 |
| Snipe Lake | SK | Extreme Heat, Unsafe Air Quality | 266 |
| Sooke | BC | Flooding | 13,001 |
| Sorel | QC | Extreme Heat | 35,165 |
| Souris Valley | SK | Extreme Heat | 304 |
| Souris-Glenwood | MB | Extreme Heat | 1,470 |
| South Frontenac | ON | Unsafe Air Quality | 20,108 |
| South Glengarry | ON | Unsafe Air Quality | 13,403 |
| South Qu’Appelle | SK | Extreme Heat | 504 |
| South Stormont | ON | Unsafe Air Quality | 13,570 |
| Southend | SK | Wildfire, Unsafe Air Quality | 139 |
| Southwold | ON | Extreme Heat, Unsafe Air Quality | 4,851 |
| Spallumcheen | BC | Evacuation, Wildfire | 5,106 |
| Spiritwood | SK | Unsafe Air Quality | 1,165 |
| Springfield | MB | Extreme Heat | 16,142 |
| Springwater Township | ON | Unsafe Air Quality | 14,297 |
| Spy Hill | SK | Extreme Heat | 723 |
| St Louis | SK | Unsafe Air Quality | 414 |
| St Philips | SK | Extreme Heat | 200 |
| St. Andrews | MB | Extreme Heat, Flooding | 11,913 |
| St. Andrews | SK | Extreme Heat, Unsafe Air Quality | 300 |
| St. Catharines | ON | Extreme Heat, Flooding, Severe Storm, Local State of Emergency | 136,803 |
| St. Clements | MB | Extreme Heat | 11,586 |
| St. François Xavier | MB | Extreme Heat, Local State of Emergency, Flooding | 1,738 |
| St. John’s | NL | Unsafe Air Quality | 110,525 |
| St. Joseph Island | ON | Extreme Heat | 2,320 |
| St. Laurent | MB | Extreme Heat | 1,521 |
| St. Lazare | MB | Flooding | 304 |
| St. Stephen | NB | Extreme Heat | 4,510 |
| St. Thomas | ON | Extreme Heat, Unsafe Air Quality | 42,918 |
| Stanley | MB | Extreme Heat | 8,981 |
| Stanley | NB | Extreme Heat | 397 |
| Stanley | SK | Extreme Heat | 406 |
| Star City | SK | Extreme Heat | 811 |
| Ste. Anne | MB | Extreme Heat | 5,584 |
| Stirling-Rawdon | ON | Unsafe Air Quality | 5,014 |
| Stone Mills | ON | Unsafe Air Quality | 7,702 |
| Stonehenge | SK | Extreme Heat, Unsafe Air Quality | 249 |
| Stony Plain | AB | Flooding | 17,993 |
| Stony Rapids | SK | Extreme Heat | 210 |
| Storthoaks | SK | Extreme Heat | 239 |
| Stratford | ON | Extreme Heat, Unsafe Air Quality | 31,465 |
| Strathroy–Caradoc Municipality | ON | Unsafe Air Quality, Extreme Heat | 21,365 |
| Stuartburn | MB | Flooding | 1,502 |
| Sturgeon Lake 24A First Nation reserve | ON | Unsafe Air Quality | 671 |
| Sudbury County | ON | Extreme Heat | 166,044 |
| Summerland | BC | Drought | 12,042 |
| Sunbury County | NB | Extreme Heat | 27,864 |
| Surprise Valley | SK | Unsafe Air Quality, Extreme Heat | 266 |
| Surrey | BC | Extreme Heat | 568,322 |
| Sussex | NB | Extreme Heat | 4,241 |
| Sutton | SK | Unsafe Air Quality, Extreme Heat | 222 |
| Swan Lake First Nation Reserve | MB | Flooding | 245 |
| Swan River | MB | Local State of Emergency, Flooding | 4,049 |
| Swan Valley West | MB | Flooding | 2,759 |
| Swift Current | SK | Unsafe Air Quality, Extreme Heat | 2,647 |
| Taber | AB | Extreme Heat | 8,163 |
| Taché | MB | Flooding | 11,568 |
| Tadoule Lake | MB | Unsafe Air Quality | 324 |
| Tadoussac | QC | Extreme Heat | 799 |
| Tecumseh | SK | Extreme Heat | 256 |
| Temagami | ON | Extreme Heat | 790 |
| Témiscaming | QC | Extreme Heat | 2,363 |
| Témiscouata | QC | Extreme Heat | 443 |
| Temiskaming Shores | ON | Extreme Heat | 9,634 |
| Terrell | SK | Unsafe Air Quality, Extreme Heat | 211 |
| The Battlefords (North Battleford & Battleford) | SK | Extreme Heat | 19,861 |
| The Gap | SK | Unsafe Air Quality, Extreme Heat | 327 |
| Thebacha Region | NT | Extreme Heat, Unsafe Air Quality | 2,248 |
| Thessalon | ON | Extreme Heat | 1,179 |
| Thetford Mines | QC | Extreme Heat | 25,704 |
| Thompson | MB | Flooding, Extreme Heat | 13,035 |
| Thompson-Nicola I (Blue Sky Country) | BC | Evacuation, Wildfire, Local State of Emergency, Unsafe Air Quality | 1,038 |
| Thorold | ON | Extreme Heat | 23,816 |
| Three Lakes | SK | Extreme Heat | 408 |
| Thunder Bay | ON | Unsafe Air Quality, Extreme Heat | 108,843 |
| Tillsonburg | ON | Unsafe Air Quality | 18,615 |
| Timmins | ON | Extreme Heat | 41,788 |
| Tisdale | SK | Extreme Heat | 885 |
| Tofield | AB | Local State of Emergency, Flooding | 2,992 |
| Torch River | SK | Extreme Heat | 1,160 |
| Toronto | ON | Extreme Heat, Unsafe Air Quality | 2,794,356 |
| Torrington | AB | Severe Storm, Local State of Emergency | 244 |
| Tracadie | NB | Extreme Heat | 16,043 |
| Tramping Lake | SK | Extreme Heat, Unsafe Air Quality | 329 |
| Tsiigehtchic | NT | Unsafe Air Quality | 138 |
| Tulita Region | NT | Unsafe Air Quality | 529 |
| Tullymet | SK | Extreme Heat | 252 |
| Turtle River | SK | Extreme Heat | 1,041 |
| Tweed | ON | Unsafe Air Quality | 6,067 |
| Two Borders | MB | Extreme Heat | 465 |
| Upsala | ON | Evacuation, Wildfire | 400 |
| Uranium City | SK | Unsafe Air Quality, Extreme Heat | 91 |
| Uxbridge | ON | Extreme Heat | 21,556 |
| Val d’Or | QC | Unsafe Air Quality, Extreme Heat | 32,752 |
| Val Marie | SK | Extreme Heat, Unsafe Air Quality | 425 |
| Valleyfield | QC | Extreme Heat | 42,787 |
| Vancouver | BC | Drought, Unsafe Air Quality, Wildfire, Evacuation | 662,248 |
| Vanderhoof | BC | Unsafe Air Quality | 4,346 |
| Vanscoy | SK | Extreme Heat | 2,368 |
| Varennes | QC | Extreme Heat | 21,037 |
| Vaudreuil | QC | Extreme Heat | 43,268 |
| Vaughan | ON | Extreme Heat, Unsafe Air Quality | 323,103 |
| Verchères | QC | Extreme Heat | 6,081 |
| Vermillion | MB | Flooding | 3,948 |
| Vernon | BC | Extreme Heat | 44,519 |
| Victoria County | NB | Extreme Heat | 18,312 |
| Victoriaville | QC | Extreme Heat | 48,461 |
| Victory | SK | Extreme Heat, Unsafe Air Quality | 1,039 |
| Village of White Fox | SK | Flooding, Local State of Emergency | 345 |
| Ville de Saguenay | QC | Extreme Heat | 148,497 |
| Ville-Marie | QC | Extreme Heat | 2,520 |
| Villeroy | QC | Extreme Heat | 504 |
| Viscount | SK | Extreme Heat | 249 |
| Vulcan County | AB | Extreme Heat | 3,984 |
| Wabamun | AB | Flooding | 682 |
| Wabush | NL | Unsafe Air Quality | 1,964 |
| Wainfleet | ON | Extreme Heat | 6,953 |
| Wallace | SK | Extreme Heat | 778 |
| Wallace-Woodworth | MB | Extreme Heat | 1,429 |
| Warner County | AB | Extreme Heat | 4,136 |
| Warwick Township | ON | Unsafe Air Quality | 11,637 |
| Wasagamack | MB | Flooding | 2,019 |
| Waskaganish | QC | Extreme Heat, Unsafe Air Quality | 2,536 |
| Waterloo | ON | Extreme Heat | 121,436 |
| Waterloo | QC | Extreme Heat | 4,727 |
| Watford | ON | Extreme Heat, Unsafe Air Quality | 1,563 |
| Waverley | SK | Extreme Heat, Unsafe Air Quality | 255 |
| Waywayseecappo First Nation | MB | Flooding, Evacuation | 1,651 |
| Webb | SK | Extreme Heat, Unsafe Air Quality | 271 |
| Webequie | ON | Extreme Heat | 1,072 |
| Weedon | QC | Extreme Heat | 2,746 |
| Wekweeti | NT | Unsafe Air Quality | 109 |
| Welland | ON | Extreme Heat | 55,750 |
| Wellington | ON | Extreme Heat | 31,093 |
| Wellington | SK | Extreme Heat | 256 |
| West Elgin Municipality | ON | Unsafe Air Quality | 47,026 |
| West Kelowna | BC | Evacuation, Wildfire, Local State of Emergency | 36,078 |
| West Lincoln | ON | Extreme Heat | 15,454 |
| West Nipissing | ON | Local State of Emergency | 14,583 |
| West Perth | ON | Unsafe Air Quality | 20,125 |
| West St. Paul | MB | Extreme Heat | 6,682 |
| WestLake-Gladstone | MB | Local State of Emergency, Flooding | 1,776 |
| Westport | ON | Unsafe Air Quality | 590 |
| Weyburn | SK | Extreme Heat | 1,376 |
| Whati | NT | Unsafe Air Quality | 543 |
| Wheatland County | AB | Extreme Heat | 8,788 |
| Wheatlands | SK | Extreme Heat, Unsafe Air Quality | 215 |
| Whiska Creek | SK | Extreme Heat, Unsafe Air Quality | 261 |
| White Dog 4 First Nation reserve | ON | Unsafe Air Quality | 253 |
| White River | ON | Extreme Heat | 607 |
| White Valley | SK | Extreme Heat | 382 |
| Whitedog | ON | Extreme Heat | 277 |
| Whitehead | MB | Flooding, Extreme Heat | 1,679 |
| Whitemouth | MB | Flooding | 1,605 |
| Whitesand First Nation | ON | Evacuation, Wildfire | 300 |
| Whitewater Region | ON | Unsafe Air Quality | 7,244 |
| Willner | SK | Extreme Heat | 232 |
| Willow Bunch | SK | Extreme Heat | 231 |
| Willow Creek | AB | Extreme Heat | 7,415 |
| Willow Creek | SK | Extreme Heat | 683 |
| Wilton | SK | Extreme Heat | 1,206 |
| Windsor | ON | Extreme Heat, Unsafe Air Quality | 233,763 |
| Wingham | ON | Extreme Heat | 3,130 |
| Winnipeg | MB | Extreme Heat, Severe Storm, Flooding | 749,607 |
| Winslow | SK | Extreme Heat, Unsafe Air Quality | 217 |
| Wise Creek | SK | Extreme Heat, Unsafe Air Quality | 253 |
| Wood Buffalo (R.M.) | AB | Unsafe Air Quality | 68,454 |
| Wood Creek | SK | Extreme Heat | 276 |
| Wood River | SK | Extreme Heat, Unsafe Air Quality | 520 |
| Woodlands County | AB | Wildfire | 4,558 |
| Woodstock | NB | Extreme Heat | 5,553 |
| Woodstock | ON | Unsafe Air Quality | 46,705 |
| Wrigley | NT | Wildfire, Evacuation, Extreme Heat | 117 |
| Yamaska | QC | Extreme Heat | 1,722 |
| Yarmouth County | NS | Extreme Heat | 24,947 |
| Yellowhead | AB | Unsafe Air Quality | 10,426 |
| Yellowknife | NT | Unsafe Air Quality | 20,340 |
| York County | NB | Extreme Heat | 105,261 |