SmogRank / Countries / United Kingdom / August 2026

Most polluted cities in United Kingdom, August 2026

4 cities in United Kingdom ranked by their average PM2.5 over the 31 days. Worst: London at 7.4 µg/m³, #1,464 of 2,312 cities in the world. Cleanest: Cambridge at 2.2. A city needs measurements on 70% of the days to be ranked.

  1. 1LondonEngland
    7.4
  2. 2Birminghamlow-cost sensorsEngland
    5.7
  3. 3Manchesterlow-cost sensorsEngland
    5.4
  4. 4Cambridgelow-cost sensorsEngland
    2.2
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 2026 · United Kingdom now

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

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