SmogRank / Countries / Canada / January 2023

Most polluted cities in Canada, January 2023

70 cities in Canada ranked by their average PM2.5 over the 31 days. Worst: Edmonton at 14.5 µg/m³, #139 of 849 cities in the world. Cleanest: Port Coquitlam at 1.8. A city needs measurements on 70% of the days to be ranked.

  1. 1EdmontonAlberta
    14.5
  2. 2Grande PrairieAlberta
    13.8
  3. 3LondonOntario
    10.6
  4. 4L'Ancienne-LoretteQuebec
    10.0
  5. 5KitchenerOntario
    9.9
  6. 5Saint-Jean-sur-RichelieuQuebec
    9.9
  7. 7St. ThomasOntario
    9.8
  8. 8BrantfordOntario
    9.7
  9. 8CranbrookBritish Columbia
    9.7
  10. 10VernonBritish Columbia
    9.3
  11. 11GranbyQuebec
    8.9
  12. 12HamiltonOntario
    8.8
  13. 12HarewoodBritish Columbia
    8.8
  14. 14DrummondvilleQuebec
    8.7
  15. 15MontréalQuebec
    8.6
  16. 16CourtenayBritish Columbia
    8.4
  17. 17SarniaOntario
    8.3
  18. 18Fort McMurrayAlberta
    8.2
  19. 19St. CatharinesOntario
    7.9
  20. 20BrossardQuebec
    7.8
  21. 21DuncanBritish Columbia
    7.7
  22. 22Prince GeorgeBritish Columbia
    7.5
  23. 22ShawiniganQuebec
    7.5
  24. 24Red DeerAlberta
    7.4
  25. 25QuébecQuebec
    7.2
  26. 26KelownaBritish Columbia
    7.1
  27. 27Fort St. JohnBritish Columbia
    7.0
  28. 27St. John'sNewfoundland and Labrador
    7.0
  29. 29SaguenayQuebec
    6.8
  30. 30KamloopsBritish Columbia
    6.7
  31. 31CornwallOntario
    6.6
  32. 31Rivière-des-Prairies–Pointe-aux-TremblesQuebec
    6.6
  33. 33BarrieOntario
    6.5
  34. 33CalgaryAlberta
    6.5
  35. 35DorvalQuebec
    6.4
  36. 36OttawaOntario
    6.2
  37. 37BellevilleOntario
    6.0
  38. 37KingstonOntario
    6.0
  39. 37Trois-RivièresQuebec
    6.0
  40. 40VictoriaBritish Columbia
    5.9
  41. 41TerraceBritish Columbia
    5.3
  42. 42MonctonNew Brunswick
    5.1
  43. 42EdmundstonNew Brunswick
    5.1
  44. 44Mount PearlNewfoundland and Labrador
    5.0
  45. 45PeterboroughOntario
    4.9
  46. 46VancouverBritish Columbia
    4.6
  47. 47AbbotsfordBritish Columbia
    4.4
  48. 47SydneyNova Scotia
    4.4
  49. 49Greater SudburyOntario
    4.3
  50. 49LangfordBritish Columbia
    4.3
  51. 49North CowichanBritish Columbia
    4.3
  52. 52CharlottetownPrince Edward Island
    4.1
  53. 52LangleyBritish Columbia
    4.1
  54. 54Medicine HatAlberta
    4.0
  55. 55Sault Ste. MarieOntario
    3.9
  56. 55Strawberry HillBritish Columbia
    3.9
  57. 57CoquitlamBritish Columbia
    3.8
  58. 58ChilliwackBritish Columbia
    3.6
  59. 59NanaimoBritish Columbia
    3.5
  60. 59RichmondBritish Columbia
    3.5
  61. 61AirdrieAlberta
    3.4
  62. 61MiramichiNew Brunswick
    3.4
  63. 63Campbell RiverBritish Columbia
    3.3
  64. 63DartmouthNova Scotia
    3.3
  65. 65North VancouverBritish Columbia
    3.1
  66. 66BurnabyBritish Columbia
    3.0
  67. 67DeltaBritish Columbia
    2.9
  68. 68North BayOntario
    2.8
  69. 69LethbridgeAlberta
    2.7
  70. 70Port CoquitlamBritish Columbia
    1.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, January 2023 · Canada now