SmogRank / World / United Kingdom / November 2025

Most polluted cities in United Kingdom, November 2025

7 cities in United Kingdom ranked by their average PM2.5 over the 30 days. Worst: London at 7.9 µg/m³, #1,432 of 2,370 cities in the world. Cleanest: Westbury at 4.8. A city needs measurements on 70% of the days to be ranked.

← London 7.9
Every city in United Kingdom ranked for November 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1LondonEngland
    1
  2. 2Manchesterlow-cost sensorsEngland
    1
  3. 3Birminghamlow-cost sensorsEngland
    1
  4. 4DartfordEngland
    1
  5. 5BexleyEngland
    1
  6. 6Cambridgelow-cost sensorsEngland
    1
  7. 7Westburylow-cost sensorsEngland
    1
Low1–3
Moderate4–6
High7–9
Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. 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 2025 · United Kingdom now

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SmogRank, most polluted cities in United Kingdom, PM2.5, November 2025, smogrank.com/gb/history/2025-11 (accessed 2 Oct 2026).

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