SmogRank / Countries / United Kingdom / December 2024

Most polluted cities in United Kingdom, December 2024

5 cities in United Kingdom ranked by their average PM2.5 over the 31 days. Worst: Grays at 8.4 µg/m³, #936 of 2,078 cities in the world. Cleanest: Bexley at 6.3. A city needs measurements on 70% of the days to be ranked.

  1. 1GraysEngland
    8.4
  2. 2Birminghamlow-cost sensorsEngland
    7.5
  3. 3LondonEngland
    6.9
  4. 4DartfordEngland
    6.8
  5. 5BexleyEngland
    6.3
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 2024 · United Kingdom now

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SmogRank, most polluted cities in United Kingdom, PM2.5, December 2024, smogrank.com/gb/history/2024-12 (accessed 2 Oct 2026).

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