SmogRank / Countries / Canada / March 2024
Most polluted cities in Canada, March 2024
91 cities in Canada ranked by their average PM2.5 over the 31 days. Worst: Regina at 12.3 µg/m³, #185 of 1,432 cities in the world. Cleanest: Nanaimo at 2.7. A city needs measurements on 70% of the days to be ranked.
- 1ReginaSaskatchewan 12.3
- 2Prince GeorgeBritish Columbia 10.3
- 3CalgaryAlberta 8.6
- 4DuncanBritish Columbia 8.0
- 4WindsorOntario 8.0
- 6Red DeerAlberta 7.7
- 7VernonBritish Columbia 7.4
- 8EdmontonAlberta 7.2
- 9SaskatoonSaskatchewan 7.0
- 10Port AlberniBritish Columbia 6.8
- 11KamloopsBritish Columbia 6.6
- 12TerraceBritish Columbia 6.5
- 13L'Ancienne-LoretteQuebec 6.4
- 14St. AlbertAlberta 6.3
- 15AirdrieAlberta 6.2
- 15HamiltonOntario 6.2
- 15LangfordBritish Columbia 6.2
- 18LethbridgeAlberta 6.1
- 18Prince AlbertSaskatchewan 6.1
- 20HarewoodBritish Columbia 6.0
- 21TorontoOntario 5.8
- 22SaguenayQuebec 5.7
- 22WhitehorseYukon 5.7
- 24CranbrookBritish Columbia 5.6
- 24LondonOntario 5.6
- 24MontréalQuebec 5.6
- 24Rivière-des-Prairies–Pointe-aux-TremblesQuebec 5.6
- 28Sherwood ParkAlberta 5.5
- 29ChathamOntario 5.4
- 29ChilliwackBritish Columbia 5.4
- 31BarrieOntario 5.3
- 31BrantfordOntario 5.3
- 31BrooklinOntario 5.3
- 34KitchenerOntario 5.2
- 34SquamishBritish Columbia 5.2
- 36Grande PrairieAlberta 5.1
- 36GuelphOntario 5.1
- 36MiltonOntario 5.1
- 36SarniaOntario 5.1
- 36SherbrookeQuebec 5.1
- 36St. ThomasOntario 5.1
- 36VictoriaBritish Columbia 5.1
- 43Fort McMurrayAlberta 5.0
- 43Trois-RivièresQuebec 5.0
- 43QuébecQuebec 5.0
- 46AbbotsfordBritish Columbia 4.9
- 46CourtenayBritish Columbia 4.9
- 46DorvalQuebec 4.9
- 46DrummondvilleQuebec 4.9
- 46GranbyQuebec 4.9
- 46Swift CurrentSaskatchewan 4.9
- 52OakvilleOntario 4.8
- 52Thunder BayOntario 4.8
- 52WaterdownOntario 4.8
- 55Fort St. JohnBritish Columbia 4.7
- 55Medicine HatAlberta 4.7
- 57BramptonOntario 4.6
- 57ShawiniganQuebec 4.6
- 57St. CatharinesOntario 4.6
- 60BrossardQuebec 4.5
- 60CornwallOntario 4.5
- 60LangleyBritish Columbia 4.5
- 60MississaugaOntario 4.5
- 60OttawaOntario 4.5
- 65CharlottetownPrince Edward Island 4.4
- 65KelownaBritish Columbia 4.4
- 65NewmarketOntario 4.4
- 65EdmundstonNew Brunswick 4.4
- 69VancouverBritish Columbia 4.3
- 70PeterboroughOntario 4.2
- 70Strawberry HillBritish Columbia 4.2
- 72Greater SudburyOntario 4.1
- 73Saint-Jean-sur-RichelieuQuebec 3.8
- 73Sault Ste. MarieOntario 3.8
- 75DeltaBritish Columbia 3.7
- 75West VancouverBritish Columbia 3.7
- 77BellevilleOntario 3.6
- 77BurnabyBritish Columbia 3.6
- 77North BayOntario 3.6
- 77RichmondBritish Columbia 3.6
- 81KingstonOntario 3.5
- 81North VancouverBritish Columbia 3.5
- 83Campbell RiverBritish Columbia 3.2
- 83CoquitlamBritish Columbia 3.2
- 83North CowichanBritish Columbia 3.2
- 86MiramichiNew Brunswick 3.0
- 86MonctonNew Brunswick 3.0
- 86Saint JohnNew Brunswick 3.0
- 89FrederictonNew Brunswick 2.9
- 89Rouyn-NorandaQuebec 2.9
- 91NanaimoBritish Columbia 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+