SmogRank / Countries / Canada / September 2024
Most polluted cities in Canada, September 2024
97 cities in Canada ranked by their average PM2.5 over the 30 days. Worst: Fort McMurray at 23.8 µg/m³, #28 of 1,555 cities in the world. Cleanest: Whitehorse at 2.7. A city needs measurements on 70% of the days to be ranked.
- 1Fort McMurrayAlberta 23.8
- 2Prince AlbertSaskatchewan 16.2
- 3Grande PrairieAlberta 14.8
- 4Prince GeorgeBritish Columbia 14.0
- 5EdmontonAlberta 12.2
- 6Nepeanlow-cost sensorsOntario 10.8
- 7SaskatoonSaskatchewan 10.6
- 8Sherwood ParkAlberta 9.6
- 9ReginaSaskatchewan 8.9
- 10BarrieOntario 8.6
- 10BrantfordOntario 8.6
- 12HamiltonOntario 8.5
- 13St. AlbertAlberta 8.4
- 14MiltonOntario 8.1
- 15KitchenerOntario 8.0
- 15Swift CurrentSaskatchewan 8.0
- 17CalgaryAlberta 7.9
- 18SaguenayQuebec 7.8
- 18WindsorOntario 7.8
- 20BramptonOntario 7.7
- 20LondonOntario 7.7
- 20Medicine HatAlberta 7.7
- 20OakvilleOntario 7.7
- 24Red DeerAlberta 7.6
- 25MontréalQuebec 7.5
- 26Greater SudburyOntario 7.4
- 27TorontoOntario 7.3
- 28GuelphOntario 7.1
- 28NewmarketOntario 7.1
- 28ShawiniganQuebec 7.1
- 31DorvalQuebec 7.0
- 31Rivière-des-Prairies–Pointe-aux-TremblesQuebec 7.0
- 33BrossardQuebec 6.9
- 34Sorel-TracyQuebec 6.8
- 34St. ThomasOntario 6.8
- 36St. CatharinesOntario 6.7
- 36WaterdownOntario 6.7
- 38KamloopsBritish Columbia 6.6
- 39MississaugaOntario 6.5
- 39SarniaOntario 6.5
- 41CranbrookBritish Columbia 6.4
- 41PeterboroughOntario 6.4
- 41SquamishBritish Columbia 6.4
- 41QuébecQuebec 6.4
- 45ChathamOntario 6.2
- 45OttawaOntario 6.2
- 47North BayOntario 6.1
- 47L'Ancienne-LoretteQuebec 6.1
- 49AirdrieAlberta 6.0
- 49AllistonOntario 6.0
- 49KingstonOntario 6.0
- 49Trois-RivièresQuebec 6.0
- 49VernonBritish Columbia 6.0
- 54DrummondvilleQuebec 5.9
- 54LethbridgeAlberta 5.9
- 56BellevilleOntario 5.8
- 56MissionBritish Columbia 5.8
- 56Rouyn-NorandaQuebec 5.8
- 56VictoriaBritish Columbia 5.8
- 56EdmundstonNew Brunswick 5.8
- 61BrooklinOntario 5.7
- 62GranbyQuebec 5.6
- 62SherbrookeQuebec 5.6
- 64ChilliwackBritish Columbia 5.4
- 64Sault Ste. MarieOntario 5.4
- 66Strawberry HillBritish Columbia 5.1
- 67AbbotsfordBritish Columbia 5.0
- 67BurnabyBritish Columbia 5.0
- 67CoquitlamBritish Columbia 5.0
- 67North VancouverBritish Columbia 5.0
- 71PentictonBritish Columbia 4.9
- 71Port CoquitlamBritish Columbia 4.9
- 71Saint-Jean-sur-RichelieuQuebec 4.9
- 74DuncanBritish Columbia 4.8
- 74West VancouverBritish Columbia 4.8
- 76KelownaBritish Columbia 4.6
- 76LangfordBritish Columbia 4.6
- 76RichmondBritish Columbia 4.6
- 76VancouverBritish Columbia 4.6
- 80MiramichiNew Brunswick 4.4
- 80Saint JohnNew Brunswick 4.4
- 80HarewoodBritish Columbia 4.4
- 83FrederictonNew Brunswick 4.3
- 83North CowichanBritish Columbia 4.3
- 85Fort St. JohnBritish Columbia 4.2
- 85MonctonNew Brunswick 4.2
- 87SydneyNova Scotia 4.0
- 88NanaimoBritish Columbia 3.9
- 88TerraceBritish Columbia 3.9
- 90LangleyBritish Columbia 3.8
- 91DartmouthNova Scotia 3.7
- 92CharlottetownPrince Edward Island 3.6
- 93Port AlberniBritish Columbia 3.5
- 94Campbell RiverBritish Columbia 2.9
- 94CourtenayBritish Columbia 2.9
- 94DeltaBritish Columbia 2.9
- 97WhitehorseYukon 2.7
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+