SmogRank / Countries / Canada / January 2024
Most polluted cities in Canada, January 2024
97 cities in Canada ranked by their average PM2.5 over the 31 days. Worst: Calgary at 14.8 µg/m³, #342 of 1,960 cities in the world. Cleanest: Nanaimo at 2.2. A city needs measurements on 70% of the days to be ranked.
- 1CalgaryAlberta 14.8
- 2EdmontonAlberta 14.5
- 3Grande PrairieAlberta 13.3
- 4Red DeerAlberta 11.7
- 5Port AlberniBritish Columbia 11.5
- 6WindsorOntario 11.3
- 7Prince GeorgeBritish Columbia 10.4
- 8St. AlbertAlberta 10.1
- 9Sherwood ParkAlberta 10.0
- 10CourtenayBritish Columbia 9.7
- 11AirdrieAlberta 9.2
- 11DuncanBritish Columbia 9.2
- 13LondonOntario 9.1
- 14WaterdownOntario 9.0
- 15BrantfordOntario 8.9
- 16HamiltonOntario 8.7
- 17ChathamOntario 8.6
- 17MiltonOntario 8.6
- 17OakvilleOntario 8.6
- 17ReginaSaskatchewan 8.6
- 17SarniaOntario 8.6
- 17TorontoOntario 8.6
- 23St. ThomasOntario 8.5
- 23VernonBritish Columbia 8.5
- 25KitchenerOntario 8.4
- 25L'Ancienne-LoretteQuebec 8.4
- 27GuelphOntario 8.3
- 28CranbrookBritish Columbia 8.1
- 29MississaugaOntario 8.0
- 30GranbyQuebec 7.9
- 31BramptonOntario 7.8
- 32St. CatharinesOntario 7.5
- 33BarrieOntario 7.3
- 33CornwallOntario 7.3
- 33NewmarketOntario 7.3
- 36Trois-RivièresQuebec 6.9
- 37MontréalQuebec 6.8
- 37PeterboroughOntario 6.8
- 39BrooklinOntario 6.7
- 39Prince AlbertSaskatchewan 6.7
- 39Rivière-des-Prairies–Pointe-aux-TremblesQuebec 6.7
- 42EdmundstonNew Brunswick 6.5
- 43DorvalQuebec 6.3
- 43ShawiniganQuebec 6.3
- 43QuébecQuebec 6.3
- 46BrossardQuebec 6.2
- 46OttawaOntario 6.2
- 48DrummondvilleQuebec 6.1
- 48WhitehorseYukon 6.1
- 50BellevilleOntario 5.9
- 50LangfordBritish Columbia 5.9
- 52KingstonOntario 5.7
- 52Saint-Jean-sur-RichelieuQuebec 5.7
- 52Swift CurrentSaskatchewan 5.7
- 55Fort McMurrayAlberta 5.6
- 55KamloopsBritish Columbia 5.6
- 55LethbridgeAlberta 5.6
- 55SherbrookeQuebec 5.6
- 59Fort St. JohnBritish Columbia 5.5
- 60KelownaBritish Columbia 5.3
- 60Medicine HatAlberta 5.3
- 60TerraceBritish Columbia 5.3
- 63MonctonNew Brunswick 5.2
- 63RichmondBritish Columbia 5.2
- 63St. John'sNewfoundland and Labrador 5.2
- 66SaguenayQuebec 5.1
- 67CharlottetownPrince Edward Island 5.0
- 67SaskatoonSaskatchewan 5.0
- 69VancouverBritish Columbia 4.9
- 70Greater SudburyOntario 4.8
- 71Thunder BayOntario 4.7
- 71HarewoodBritish Columbia 4.7
- 73Mount PearlNewfoundland and Labrador 4.6
- 73Sault Ste. MarieOntario 4.6
- 75SydneyNova Scotia 4.4
- 76North BayOntario 4.3
- 76VictoriaBritish Columbia 4.3
- 78FrederictonNew Brunswick 4.2
- 78MiramichiNew Brunswick 4.2
- 78Strawberry HillBritish Columbia 4.2
- 81CoquitlamBritish Columbia 4.1
- 82DeltaBritish Columbia 3.9
- 82LangleyBritish Columbia 3.9
- 84BurnabyBritish Columbia 3.8
- 85ChilliwackBritish Columbia 3.7
- 85DartmouthNova Scotia 3.7
- 85North VancouverBritish Columbia 3.7
- 85Saint JohnNew Brunswick 3.7
- 89AbbotsfordBritish Columbia 3.6
- 90Campbell RiverBritish Columbia 3.5
- 90North CowichanBritish Columbia 3.5
- 90Port CoquitlamBritish Columbia 3.5
- 93Rouyn-NorandaQuebec 3.4
- 94SquamishBritish Columbia 3.2
- 95PentictonBritish Columbia 2.7
- 96West VancouverBritish Columbia 2.4
- 97NanaimoBritish Columbia 2.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+