SmogRank / Countries / United Kingdom / December 2023

Most polluted cities in United Kingdom, December 2023

53 cities in United Kingdom ranked by their average PM2.5 over the 31 days. Worst: Nottingham at 10.1 µg/m³, #565 of 1,889 cities in the world. Cleanest: Penicuik at 2.3. A city needs measurements on 70% of the days to be ranked.

  1. 1NottinghamEngland
    10.1
  2. 2PlymouthEngland
    9.7
  3. 3DerryNorthern Ireland
    9.3
  4. 4BrightonEngland
    8.7
  5. 5Manchesterlow-cost sensorsEngland
    8.5
  6. 5CardiffWales
    8.5
  7. 7BanbridgeNorthern Ireland
    8.3
  8. 8LeedsEngland
    8.1
  9. 9PortsmouthEngland
    8.0
  10. 10WiganEngland
    7.9
  11. 11GraysEngland
    7.7
  12. 12BristolEngland
    7.6
  13. 12BarnstapleEngland
    7.6
  14. 14Canvey IslandEngland
    7.5
  15. 15SeafordEngland
    7.4
  16. 15Briton FerryWales
    7.4
  17. 17LondonEngland
    7.3
  18. 18CanterburyEngland
    7.2
  19. 19Stoke-on-TrentEngland
    7.0
  20. 19SouthamptonEngland
    7.0
  21. 21LiverpoolEngland
    6.9
  22. 21Kingston upon HullEngland
    6.9
  23. 21BexleyEngland
    6.9
  24. 21BelfastNorthern Ireland
    6.9
  25. 21BarnsleyEngland
    6.9
  26. 26YorkEngland
    6.8
  27. 26WarringtonEngland
    6.8
  28. 28ChesterfieldEngland
    6.7
  29. 28Birminghamlow-cost sensorsEngland
    6.7
  30. 30PrestonEngland
    6.5
  31. 31SheffieldEngland
    6.3
  32. 31NewportWales
    6.3
  33. 31GrangemouthScotland
    6.3
  34. 31DartfordEngland
    6.3
  35. 35MiddlesbroughEngland
    6.2
  36. 36NorwichEngland
    6.1
  37. 36HayesEngland
    6.1
  38. 38IrlamEngland
    6.0
  39. 39ReadingEngland
    5.9
  40. 39Clacton-on-SeaEngland
    5.9
  41. 41AndoverEngland
    5.7
  42. 42SpekeEngland
    5.6
  43. 42Royal Leamington SpaEngland
    5.6
  44. 44Newcastle upon TyneEngland
    5.4
  45. 45DagenhamEngland
    5.2
  46. 46OxfordEngland
    4.9
  47. 46NewmarketEngland
    4.9
  48. 48GillinghamEngland
    4.5
  49. 48BiggleswadeEngland
    4.5
  50. 50GlasgowScotland
    4.3
  51. 51SaltashEngland
    4.0
  52. 51EdinburghScotland
    4.0
  53. 53PenicuikScotland
    2.3
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, December 2023 · United Kingdom now

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SmogRank, most polluted cities in United Kingdom, PM2.5, December 2023, smogrank.com/gb/history/2023-12 (accessed 1 Oct 2026).

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