SmogRank / Countries / Canada / May 2024

Most polluted cities in Canada, May 2024

94 cities in Canada ranked by their average PM2.5 over the 31 days. Worst: Grande Prairie at 29.7 µg/m³, #27 of 2,082 cities in the world. Cleanest: Campbell River at 1.3. A city needs measurements on 70% of the days to be ranked.

  1. 1Grande PrairieAlberta
    29.7
  2. 2EdmontonAlberta
    14.7
  3. 3St. AlbertAlberta
    11.2
  4. 4Red DeerAlberta
    10.8
  5. 5Sherwood ParkAlberta
    10.6
  6. 6Fort McMurrayAlberta
    9.2
  7. 7CalgaryAlberta
    8.7
  8. 8HamiltonOntario
    8.4
  9. 9Prince AlbertSaskatchewan
    8.0
  10. 10SaskatoonSaskatchewan
    7.9
  11. 11WindsorOntario
    7.7
  12. 12SaguenayQuebec
    7.6
  13. 13LondonOntario
    7.3
  14. 14Sorel-TracyQuebec
    7.2
  15. 15BrantfordOntario
    7.1
  16. 15WaterdownOntario
    7.1
  17. 17KitchenerOntario
    7.0
  18. 18OakvilleOntario
    6.9
  19. 19MiltonOntario
    6.8
  20. 19ReginaSaskatchewan
    6.8
  21. 19St. ThomasOntario
    6.8
  22. 22GuelphOntario
    6.4
  23. 22TorontoOntario
    6.4
  24. 24BarrieOntario
    6.2
  25. 24Fort St. JohnBritish Columbia
    6.2
  26. 24St. CatharinesOntario
    6.2
  27. 27MississaugaOntario
    6.1
  28. 28AirdrieAlberta
    6.0
  29. 28MontréalQuebec
    6.0
  30. 30DorvalQuebec
    5.9
  31. 31BrooklinOntario
    5.8
  32. 31ChathamOntario
    5.8
  33. 31NewmarketOntario
    5.8
  34. 34SarniaOntario
    5.7
  35. 34Thunder BayOntario
    5.7
  36. 36BramptonOntario
    5.6
  37. 36ShawiniganQuebec
    5.6
  38. 36L'Ancienne-LoretteQuebec
    5.6
  39. 39CornwallOntario
    5.4
  40. 39PeterboroughOntario
    5.4
  41. 39Rivière-des-Prairies–Pointe-aux-TremblesQuebec
    5.4
  42. 42OttawaOntario
    5.3
  43. 43Trois-RivièresQuebec
    5.2
  44. 44BrossardQuebec
    5.1
  45. 44LethbridgeAlberta
    5.1
  46. 44EdmundstonNew Brunswick
    5.1
  47. 47GranbyQuebec
    5.0
  48. 47Greater SudburyOntario
    5.0
  49. 49QuébecQuebec
    4.9
  50. 50DrummondvilleQuebec
    4.8
  51. 50Medicine HatAlberta
    4.8
  52. 52BellevilleOntario
    4.7
  53. 52KamloopsBritish Columbia
    4.7
  54. 52KingstonOntario
    4.7
  55. 52Saint-Jean-sur-RichelieuQuebec
    4.7
  56. 56BurnabyBritish Columbia
    4.5
  57. 56SherbrookeQuebec
    4.5
  58. 58AbbotsfordBritish Columbia
    4.3
  59. 58North BayOntario
    4.3
  60. 60LangfordBritish Columbia
    4.2
  61. 60LangleyBritish Columbia
    4.2
  62. 60West VancouverBritish Columbia
    4.2
  63. 63Port CoquitlamBritish Columbia
    4.1
  64. 63SquamishBritish Columbia
    4.1
  65. 65ChilliwackBritish Columbia
    4.0
  66. 65Strawberry HillBritish Columbia
    4.0
  67. 65VernonBritish Columbia
    4.0
  68. 68RichmondBritish Columbia
    3.9
  69. 68HarewoodBritish Columbia
    3.9
  70. 70Rouyn-NorandaQuebec
    3.8
  71. 70Saint JohnNew Brunswick
    3.8
  72. 72CharlottetownPrince Edward Island
    3.7
  73. 72Sault Ste. MarieOntario
    3.7
  74. 74CranbrookBritish Columbia
    3.6
  75. 74VancouverBritish Columbia
    3.6
  76. 76CoquitlamBritish Columbia
    3.5
  77. 76DuncanBritish Columbia
    3.5
  78. 76Prince GeorgeBritish Columbia
    3.5
  79. 79North VancouverBritish Columbia
    3.3
  80. 79TerraceBritish Columbia
    3.3
  81. 81CourtenayBritish Columbia
    3.2
  82. 81MonctonNew Brunswick
    3.2
  83. 81SydneyNova Scotia
    3.2
  84. 84North CowichanBritish Columbia
    3.0
  85. 84PentictonBritish Columbia
    3.0
  86. 86MiramichiNew Brunswick
    2.9
  87. 87FrederictonNew Brunswick
    2.8
  88. 88DartmouthNova Scotia
    2.7
  89. 88NanaimoBritish Columbia
    2.7
  90. 90Port AlberniBritish Columbia
    2.6
  91. 91DeltaBritish Columbia
    2.4
  92. 91KelownaBritish Columbia
    2.4
  93. 91WhitehorseYukon
    2.4
  94. 94Campbell RiverBritish Columbia
    1.3
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, May 2024 · Canada now