SmogRank / World / Canada / November 2023

Most polluted cities in Canada, November 2023

94 cities in Canada ranked by their average PM2.5 over the 30 days. Worst: Vernon at 12.0 µg/m³, #246 of 1,910 cities in the world. Cleanest: Corner Brook at 3.4. A city needs measurements on 70% of the days to be ranked.

← Vernon 12.0 µg/m³ 20 µg/m³0
Every city in Canada ranked for November 2023, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1VernonBritish Columbia
    56
  2. 2CranbrookBritish Columbia
    56
  3. 2EdmontonAlberta
    56
  4. 4ReginaSaskatchewan
    55
  5. 5WindsorOntario
    54
  6. 6DuncanBritish Columbia
    53
  7. 7KamloopsBritish Columbia
    52
  8. 8CalgaryAlberta
    51
  9. 9Grande PrairieAlberta
    51
  10. 10LangfordBritish Columbia
    48
  11. 11CourtenayBritish Columbia
    48
  12. 12KelownaBritish Columbia
    47
  13. 12LangleyBritish Columbia
    47
  14. 12L'Ancienne-LoretteQuebec
    47
  15. 12HarewoodBritish Columbia
    47
  16. 16SarniaOntario
    46
  17. 17BrantfordOntario
    46
  18. 17ChathamOntario
    46
  19. 19KitchenerOntario
    44
  20. 19LondonOntario
    44
  21. 19TorontoOntario
    44
  22. 22HamiltonOntario
    44
  23. 23MiltonOntario
    43
  24. 24OakvilleOntario
    43
  25. 24WaterdownOntario
    43
  26. 26Port AlberniBritish Columbia
    42
  27. 26SaskatoonSaskatchewan
    42
  28. 26VictoriaBritish Columbia
    42
  29. 29GranbyQuebec
    42
  30. 29GuelphOntario
    42
  31. 29St. AlbertAlberta
    42
  32. 32MississaugaOntario
    41
  33. 32Red DeerAlberta
    41
  34. 32St. ThomasOntario
    41
  35. 35BarrieOntario
    41
  36. 36BramptonOntario
    40
  37. 37Fort St. JohnBritish Columbia
    38
  38. 37NewmarketOntario
    38
  39. 37Prince AlbertSaskatchewan
    38
  40. 37QuébecQuebec
    38
  41. 41DrummondvilleQuebec
    37
  42. 41Sherwood ParkAlberta
    37
  43. 41St. CatharinesOntario
    37
  44. 44North CowichanBritish Columbia
    36
  45. 45ShawiniganQuebec
    36
  46. 45SherbrookeQuebec
    36
  47. 47BrossardQuebec
    35
  48. 47ChilliwackBritish Columbia
    35
  49. 47PeterboroughOntario
    35
  50. 47TerraceBritish Columbia
    35
  51. 51AbbotsfordBritish Columbia
    34
  52. 51CornwallOntario
    34
  53. 51VancouverBritish Columbia
    34
  54. 54MontréalQuebec
    34
  55. 54OttawaOntario
    34
  56. 54SquamishBritish Columbia
    34
  57. 54Strawberry HillBritish Columbia
    34
  58. 54Trois-RivièresQuebec
    34
  59. 59BellevilleOntario
    33
  60. 59Swift CurrentSaskatchewan
    33
  61. 61BrooklinOntario
    33
  62. 61Fort McMurrayAlberta
    33
  63. 61Rivière-des-Prairies–Pointe-aux-TremblesQuebec
    33
  64. 64EdmundstonNew Brunswick
    32
  65. 65MonctonNew Brunswick
    31
  66. 65RichmondBritish Columbia
    31
  67. 67SaguenayQuebec
    31
  68. 67Saint-Jean-sur-RichelieuQuebec
    31
  69. 67St. John'sNewfoundland and Labrador
    31
  70. 70KingstonOntario
    30
  71. 71DeltaBritish Columbia
    29
  72. 72Campbell RiverBritish Columbia
    28
  73. 72DorvalQuebec
    28
  74. 72FrederictonNew Brunswick
    28
  75. 72Greater SudburyOntario
    28
  76. 72Port CoquitlamBritish Columbia
    28
  77. 77BurnabyBritish Columbia
    27
  78. 77Saint JohnNew Brunswick
    27
  79. 79NanaimoBritish Columbia
    27
  80. 80AirdrieAlberta
    26
  81. 80CoquitlamBritish Columbia
    26
  82. 80North BayOntario
    26
  83. 83Medicine HatAlberta
    26
  84. 84Sault Ste. MarieOntario
    25
  85. 85Thunder BayOntario
    24
  86. 86CharlottetownPrince Edward Island
    24
  87. 86MiramichiNew Brunswick
    24
  88. 86North VancouverBritish Columbia
    24
  89. 89DartmouthNova Scotia
    23
  90. 89LethbridgeAlberta
    23
  91. 91Rouyn-NorandaQuebec
    23
  92. 91West VancouverBritish Columbia
    23
  93. 93Mount PearlNewfoundland and Labrador
    21
  94. 94Corner BrookNewfoundland and Labrador
    19
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, November 2023 · Canada now

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SmogRank, most polluted cities in Canada, PM2.5, November 2023, smogrank.com/ca/history/2023-11 (accessed 2 Oct 2026).

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