SmogRank / Countries / Canada / October 2024
Most polluted cities in Canada, October 2024
95 cities in Canada ranked by their average PM2.5 over the 31 days. Worst: Windsor at 8.8 µg/m³, #422 of 1,561 cities in the world. Cleanest: West Vancouver at 2.9. A city needs measurements on 70% of the days to be ranked.
- 1WindsorOntario 8.8
- 2EdmontonAlberta 7.9
- 3BarrieOntario 7.6
- 4CranbrookBritish Columbia 7.5
- 5Nepeanlow-cost sensorsOntario 7.2
- 5Prince GeorgeBritish Columbia 7.2
- 7SarniaOntario 7.0
- 7TorontoOntario 7.0
- 9CalgaryAlberta 6.7
- 9HarewoodBritish Columbia 6.7
- 11BrantfordOntario 6.6
- 12Prince AlbertSaskatchewan 6.5
- 13KitchenerOntario 6.3
- 13SaskatoonSaskatchewan 6.3
- 15HamiltonOntario 6.2
- 15MiltonOntario 6.2
- 15ShawiniganQuebec 6.2
- 18Red DeerAlberta 6.1
- 18ReginaSaskatchewan 6.1
- 18VernonBritish Columbia 6.1
- 21ChathamOntario 6.0
- 21Gatineaulow-cost sensorsQuebec 6.0
- 21GuelphOntario 6.0
- 21LondonOntario 6.0
- 25MissionBritish Columbia 5.9
- 25NewmarketOntario 5.9
- 25Port AlberniBritish Columbia 5.9
- 25Sherwood ParkAlberta 5.9
- 29OakvilleOntario 5.8
- 30Sorel-TracyQuebec 5.7
- 31BrooklinOntario 5.6
- 31Medicine HatAlberta 5.6
- 31MississaugaOntario 5.6
- 34BramptonOntario 5.5
- 34MontréalQuebec 5.5
- 34WaterdownOntario 5.5
- 37DrummondvilleQuebec 5.4
- 37St. AlbertAlberta 5.4
- 37L'Ancienne-LoretteQuebec 5.4
- 40LethbridgeAlberta 5.3
- 40Trois-RivièresQuebec 5.3
- 40VictoriaBritish Columbia 5.3
- 40QuébecQuebec 5.3
- 40Rivière-des-Prairies–Pointe-aux-TremblesQuebec 5.3
- 45OttawaOntario 5.2
- 45SaguenayQuebec 5.2
- 45St. CatharinesOntario 5.2
- 45St. ThomasOntario 5.2
- 49AllistonOntario 4.9
- 49BrossardQuebec 4.9
- 49DuncanBritish Columbia 4.9
- 49GranbyQuebec 4.9
- 49SherbrookeQuebec 4.9
- 49Swift CurrentSaskatchewan 4.9
- 49EdmundstonNew Brunswick 4.9
- 56AbbotsfordBritish Columbia 4.8
- 56BellevilleOntario 4.8
- 56Fort St. JohnBritish Columbia 4.8
- 56NanaimoBritish Columbia 4.8
- 56PeterboroughOntario 4.8
- 56TerraceBritish Columbia 4.8
- 62DorvalQuebec 4.7
- 62LangfordBritish Columbia 4.7
- 64RichmondBritish Columbia 4.6
- 65BurnabyBritish Columbia 4.5
- 65KamloopsBritish Columbia 4.5
- 65KelownaBritish Columbia 4.5
- 65VancouverBritish Columbia 4.5
- 69AirdrieAlberta 4.4
- 69Greater SudburyOntario 4.4
- 69Strawberry HillBritish Columbia 4.4
- 72Campbell RiverBritish Columbia 4.3
- 73ChilliwackBritish Columbia 4.2
- 73Fort McMurrayAlberta 4.2
- 73Grande PrairieAlberta 4.2
- 73KingstonOntario 4.2
- 73LangleyBritish Columbia 4.2
- 73Sault Ste. MarieOntario 4.2
- 79North BayOntario 4.1
- 79North VancouverBritish Columbia 4.1
- 79Port CoquitlamBritish Columbia 4.1
- 82Saint JohnNew Brunswick 4.0
- 82SquamishBritish Columbia 4.0
- 84Saint-Jean-sur-RichelieuQuebec 3.9
- 85North CowichanBritish Columbia 3.7
- 86CoquitlamBritish Columbia 3.6
- 87MonctonNew Brunswick 3.5
- 88CharlottetownPrince Edward Island 3.4
- 88DeltaBritish Columbia 3.4
- 88FrederictonNew Brunswick 3.4
- 88Rouyn-NorandaQuebec 3.4
- 88WhitehorseYukon 3.4
- 93DartmouthNova Scotia 3.3
- 94MiramichiNew Brunswick 3.1
- 95West VancouverBritish Columbia 2.9
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+