SmogRank / Countries / United Kingdom / August 2023

Most polluted cities in United Kingdom, August 2023

42 cities in United Kingdom ranked by their average PM2.5 over the 31 days. Worst: Nottingham at 8.1 µg/m³, #783 of 1,670 cities in the world. Cleanest: Middlesbrough at 1.9. A city needs measurements on 70% of the days to be ranked.

  1. 1NottinghamEngland
    8.1
  2. 2DagenhamEngland
    5.9
  3. 3LondonEngland
    5.7
  4. 4SpekeEngland
    5.4
  5. 4PlymouthEngland
    5.4
  6. 6Manchesterlow-cost sensorsEngland
    5.3
  7. 7Canvey IslandEngland
    5.2
  8. 8BexleyEngland
    5.1
  9. 9Stoke-on-TrentEngland
    4.6
  10. 9PortsmouthEngland
    4.6
  11. 9CanterburyEngland
    4.6
  12. 12SouthamptonEngland
    4.4
  13. 12NorwichEngland
    4.4
  14. 12LeedsEngland
    4.4
  15. 12BristolEngland
    4.4
  16. 12Birminghamlow-cost sensorsEngland
    4.4
  17. 17SeafordEngland
    4.3
  18. 18WiganEngland
    4.0
  19. 18SheffieldEngland
    4.0
  20. 18NewportWales
    4.0
  21. 18HayesEngland
    4.0
  22. 18Clacton-on-SeaEngland
    4.0
  23. 23Kingston upon HullEngland
    3.9
  24. 23BanbridgeNorthern Ireland
    3.9
  25. 25PrestonEngland
    3.8
  26. 26NewmarketEngland
    3.7
  27. 27EdinburghScotland
    3.6
  28. 28ReadingEngland
    3.5
  29. 28Royal Leamington SpaEngland
    3.5
  30. 28IrlamEngland
    3.5
  31. 28ChesterfieldEngland
    3.5
  32. 32LiverpoolEngland
    3.3
  33. 32GlasgowScotland
    3.3
  34. 34GrangemouthScotland
    3.2
  35. 34BiggleswadeEngland
    3.2
  36. 34AndoverEngland
    3.2
  37. 37OxfordEngland
    3.1
  38. 38GillinghamEngland
    3.0
  39. 39Newton AbbotEngland
    2.9
  40. 40WarringtonEngland
    2.5
  41. 40PenicuikScotland
    2.5
  42. 42MiddlesbroughEngland
    1.9
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 · United Kingdom now

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SmogRank, most polluted cities in United Kingdom, PM2.5, August 2023, smogrank.com/gb/history/2023-08 (accessed 2 Oct 2026).

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