SmogRank / Countries / Canada / April 2024

Most polluted cities in Canada, April 2024

91 cities in Canada ranked by their average PM2.5 over the 30 days. Worst: Saskatoon at 7.1 µg/m³, #1,061 of 1,941 cities in the world. Cleanest: Campbell River at 2.0. A city needs measurements on 70% of the days to be ranked.

  1. 1SaskatoonSaskatchewan
    7.1
  2. 2HamiltonOntario
    6.1
  3. 3WindsorOntario
    5.9
  4. 4DuncanBritish Columbia
    5.8
  5. 4Prince AlbertSaskatchewan
    5.8
  6. 6LangfordBritish Columbia
    5.7
  7. 7SaguenayQuebec
    5.5
  8. 8BrantfordOntario
    5.4
  9. 8CalgaryAlberta
    5.4
  10. 8LondonOntario
    5.4
  11. 11EdmontonAlberta
    5.2
  12. 11Prince GeorgeBritish Columbia
    5.2
  13. 11ReginaSaskatchewan
    5.2
  14. 14BrooklinOntario
    5.0
  15. 14Red DeerAlberta
    5.0
  16. 16KitchenerOntario
    4.9
  17. 17CharlottetownPrince Edward Island
    4.8
  18. 17ChilliwackBritish Columbia
    4.8
  19. 17LangleyBritish Columbia
    4.8
  20. 17MiltonOntario
    4.8
  21. 17TorontoOntario
    4.8
  22. 17VernonBritish Columbia
    4.8
  23. 23BarrieOntario
    4.7
  24. 23OakvilleOntario
    4.7
  25. 23St. CatharinesOntario
    4.7
  26. 23WhitehorseYukon
    4.7
  27. 27SarniaOntario
    4.6
  28. 27EdmundstonNew Brunswick
    4.6
  29. 29AbbotsfordBritish Columbia
    4.5
  30. 29ChathamOntario
    4.5
  31. 29Fort McMurrayAlberta
    4.5
  32. 29Sherwood ParkAlberta
    4.5
  33. 33CranbrookBritish Columbia
    4.4
  34. 33Port AlberniBritish Columbia
    4.4
  35. 33VictoriaBritish Columbia
    4.4
  36. 33WaterdownOntario
    4.4
  37. 37GuelphOntario
    4.3
  38. 38MontréalQuebec
    4.2
  39. 38HarewoodBritish Columbia
    4.2
  40. 40BramptonOntario
    4.1
  41. 40DorvalQuebec
    4.1
  42. 40MississaugaOntario
    4.1
  43. 43Fort St. JohnBritish Columbia
    4.0
  44. 43Greater SudburyOntario
    4.0
  45. 43KamloopsBritish Columbia
    4.0
  46. 43SquamishBritish Columbia
    4.0
  47. 43TerraceBritish Columbia
    4.0
  48. 43Thunder BayOntario
    4.0
  49. 43SydneyNova Scotia
    4.0
  50. 50Medicine HatAlberta
    3.9
  51. 50Strawberry HillBritish Columbia
    3.9
  52. 52DeltaBritish Columbia
    3.8
  53. 52LethbridgeAlberta
    3.8
  54. 52VancouverBritish Columbia
    3.8
  55. 55Port CoquitlamBritish Columbia
    3.7
  56. 55Saint JohnNew Brunswick
    3.7
  57. 55St. AlbertAlberta
    3.7
  58. 55L'Ancienne-LoretteQuebec
    3.7
  59. 55West VancouverBritish Columbia
    3.7
  60. 55Rivière-des-Prairies–Pointe-aux-TremblesQuebec
    3.7
  61. 61BurnabyBritish Columbia
    3.6
  62. 61DartmouthNova Scotia
    3.6
  63. 61NewmarketOntario
    3.6
  64. 61RichmondBritish Columbia
    3.6
  65. 61SherbrookeQuebec
    3.6
  66. 66KingstonOntario
    3.5
  67. 66OttawaOntario
    3.5
  68. 68BellevilleOntario
    3.4
  69. 68CornwallOntario
    3.4
  70. 68CourtenayBritish Columbia
    3.4
  71. 68DrummondvilleQuebec
    3.4
  72. 68GranbyQuebec
    3.4
  73. 68MonctonNew Brunswick
    3.4
  74. 68ShawiniganQuebec
    3.4
  75. 68QuébecQuebec
    3.4
  76. 76AirdrieAlberta
    3.3
  77. 76BrossardQuebec
    3.3
  78. 76PeterboroughOntario
    3.3
  79. 76Trois-RivièresQuebec
    3.3
  80. 80Grande PrairieAlberta
    3.2
  81. 80North BayOntario
    3.2
  82. 80North VancouverBritish Columbia
    3.2
  83. 83CoquitlamBritish Columbia
    3.1
  84. 84MiramichiNew Brunswick
    3.0
  85. 84Saint-Jean-sur-RichelieuQuebec
    3.0
  86. 86FrederictonNew Brunswick
    2.9
  87. 86Sault Ste. MarieOntario
    2.9
  88. 88KelownaBritish Columbia
    2.7
  89. 89Rouyn-NorandaQuebec
    2.5
  90. 90NanaimoBritish Columbia
    2.2
  91. 91Campbell RiverBritish Columbia
    2.0
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, April 2024 · Canada now