SmogRank / Countries / Canada / August 2023

Most polluted cities in Canada, August 2023

93 cities in Canada ranked by their average PM2.5 over the 31 days. Worst: Kamloops at 53.9 µg/m³, #4 of 1,670 cities in the world. Cleanest: Corner Brook at 3.3. A city needs measurements on 70% of the days to be ranked.

  1. 1KamloopsBritish Columbia
    53.9
  2. 2Fort McMurrayAlberta
    42.5
  3. 3VernonBritish Columbia
    42.2
  4. 4KelownaBritish Columbia
    40.6
  5. 5PentictonBritish Columbia
    40.0
  6. 6Prince AlbertSaskatchewan
    28.3
  7. 7EdmontonAlberta
    26.6
  8. 8Grande PrairieAlberta
    24.6
  9. 9ReginaSaskatchewan
    23.9
  10. 10CranbrookBritish Columbia
    23.7
  11. 11Fort St. JohnBritish Columbia
    23.1
  12. 12SaskatoonSaskatchewan
    21.5
  13. 13Swift CurrentSaskatchewan
    20.7
  14. 14CalgaryAlberta
    19.4
  15. 15Red DeerAlberta
    17.4
  16. 16ChilliwackBritish Columbia
    16.2
  17. 17St. AlbertAlberta
    14.6
  18. 18Sherwood ParkAlberta
    14.2
  19. 19Greater SudburyOntario
    13.8
  20. 20Prince GeorgeBritish Columbia
    13.6
  21. 21SquamishBritish Columbia
    13.4
  22. 22AirdrieAlberta
    13.3
  23. 23WindsorOntario
    13.2
  24. 24North BayOntario
    13.1
  25. 25OakvilleOntario
    12.9
  26. 26LondonOntario
    12.8
  27. 27MiltonOntario
    12.3
  28. 28BarrieOntario
    12.0
  29. 28HamiltonOntario
    12.0
  30. 28St. ThomasOntario
    12.0
  31. 31KitchenerOntario
    11.9
  32. 31LethbridgeAlberta
    11.9
  33. 31Rouyn-NorandaQuebec
    11.9
  34. 34BrantfordOntario
    11.6
  35. 35GuelphOntario
    11.4
  36. 35NewmarketOntario
    11.4
  37. 35WaterdownOntario
    11.4
  38. 38BramptonOntario
    11.0
  39. 38MississaugaOntario
    11.0
  40. 40SarniaOntario
    10.8
  41. 40TorontoOntario
    10.8
  42. 42ChathamOntario
    10.7
  43. 43Medicine HatAlberta
    10.6
  44. 44AbbotsfordBritish Columbia
    10.5
  45. 45CoquitlamBritish Columbia
    10.4
  46. 45St. CatharinesOntario
    10.4
  47. 45West VancouverBritish Columbia
    10.4
  48. 48BurnabyBritish Columbia
    10.0
  49. 49PeterboroughOntario
    9.7
  50. 50Port CoquitlamBritish Columbia
    9.6
  51. 51LangfordBritish Columbia
    9.5
  52. 51Thunder BayOntario
    9.5
  53. 53OttawaOntario
    9.3
  54. 54TerraceBritish Columbia
    9.2
  55. 55North VancouverBritish Columbia
    9.0
  56. 56LangleyBritish Columbia
    8.7
  57. 57Sault Ste. MarieOntario
    8.6
  58. 57Strawberry HillBritish Columbia
    8.6
  59. 59CornwallOntario
    8.5
  60. 59VictoriaBritish Columbia
    8.5
  61. 61BrossardQuebec
    8.4
  62. 62GranbyQuebec
    8.3
  63. 63DuncanBritish Columbia
    8.2
  64. 63SherbrookeQuebec
    8.2
  65. 65MontréalQuebec
    8.0
  66. 65L'Ancienne-LoretteQuebec
    8.0
  67. 67DrummondvilleQuebec
    7.9
  68. 68KingstonOntario
    7.8
  69. 69BellevilleOntario
    7.7
  70. 70NanaimoBritish Columbia
    7.5
  71. 70RichmondBritish Columbia
    7.5
  72. 72BrooklinOntario
    7.4
  73. 73Rivière-des-Prairies–Pointe-aux-TremblesQuebec
    7.3
  74. 74VancouverBritish Columbia
    7.2
  75. 75Port AlberniBritish Columbia
    7.1
  76. 75QuébecQuebec
    7.1
  77. 77SaguenayQuebec
    6.9
  78. 78Saint-Jean-sur-RichelieuQuebec
    6.7
  79. 79CourtenayBritish Columbia
    6.6
  80. 79WhitehorseYukon
    6.6
  81. 81St. John'sNewfoundland and Labrador
    6.5
  82. 82North CowichanBritish Columbia
    6.3
  83. 83DeltaBritish Columbia
    6.2
  84. 83DorvalQuebec
    6.2
  85. 85Saint JohnNew Brunswick
    5.8
  86. 86EdmundstonNew Brunswick
    5.6
  87. 87Campbell RiverBritish Columbia
    5.2
  88. 88MonctonNew Brunswick
    5.0
  89. 89CharlottetownPrince Edward Island
    4.6
  90. 89FrederictonNew Brunswick
    4.6
  91. 89MiramichiNew Brunswick
    4.6
  92. 92Mount PearlNewfoundland and Labrador
    4.5
  93. 93Corner BrookNewfoundland and Labrador
    3.3
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, August 2023 · Canada now