SmogRank / Countries / United Kingdom / September 2023

Most polluted cities in United Kingdom, September 2023

50 cities in United Kingdom ranked by their average PM2.5 over the 30 days. Worst: Canvey Island at 14.9 µg/m³, #109 of 1,830 cities in the world. Cleanest: Penicuik at 3.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Canvey IslandEngland
    14.9
  2. 2NottinghamEngland
    13.6
  3. 3CardiffWales
    12.6
  4. 4Clacton-on-SeaEngland
    12.4
  5. 5GraysEngland
    11.8
  6. 6BexleyEngland
    11.5
  7. 7LondonEngland
    10.9
  8. 8DartfordEngland
    10.7
  9. 9Birminghamlow-cost sensorsEngland
    10.5
  10. 10CanterburyEngland
    10.4
  11. 11PlymouthEngland
    10.2
  12. 11LeedsEngland
    10.2
  13. 13Stoke-on-TrentEngland
    10.1
  14. 14Manchesterlow-cost sensorsEngland
    10.0
  15. 15NorwichEngland
    9.7
  16. 16Kingston upon HullEngland
    9.6
  17. 17YorkEngland
    9.5
  18. 18SheffieldEngland
    9.1
  19. 18HayesEngland
    9.1
  20. 20SouthamptonEngland
    8.6
  21. 20NewportWales
    8.6
  22. 20Briton FerryWales
    8.6
  23. 23PortsmouthEngland
    8.5
  24. 23ChesterfieldEngland
    8.5
  25. 23BarnsleyEngland
    8.5
  26. 26SaltashEngland
    8.4
  27. 26LiverpoolEngland
    8.4
  28. 26BrightonEngland
    8.4
  29. 29BristolEngland
    8.2
  30. 30PrestonEngland
    8.0
  31. 31ReadingEngland
    7.8
  32. 31Royal Leamington SpaEngland
    7.8
  33. 33Newcastle upon TyneEngland
    7.7
  34. 33BiggleswadeEngland
    7.7
  35. 35WiganEngland
    7.6
  36. 35BelfastNorthern Ireland
    7.6
  37. 37NewmarketEngland
    7.5
  38. 37IrlamEngland
    7.5
  39. 39AndoverEngland
    7.4
  40. 40BanbridgeNorthern Ireland
    7.3
  41. 41SeafordEngland
    6.9
  42. 42OxfordEngland
    6.4
  43. 43WarringtonEngland
    6.3
  44. 44MiddlesbroughEngland
    5.9
  45. 45Newton AbbotEngland
    5.8
  46. 45DerryNorthern Ireland
    5.8
  47. 47GlasgowScotland
    5.6
  48. 48GrangemouthScotland
    4.5
  49. 48EdinburghScotland
    4.5
  50. 50PenicuikScotland
    3.5
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, September 2023 · United Kingdom now

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SmogRank, most polluted cities in United Kingdom, PM2.5, September 2023, smogrank.com/gb/history/2023-09 (accessed 2 Oct 2026).

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