SmogRank / Countries / United Kingdom / February 2025

Most polluted cities in United Kingdom, February 2025

3 cities in United Kingdom ranked by their average PM2.5 over the 28 days. Worst: Bexley at 17.0 µg/m³, #516 of 2,012 cities in the world. Cleanest: London at 15.8. A city needs measurements on 70% of the days to be ranked.

  1. 1BexleyEngland
    17.0
  2. 2GraysEngland
    16.0
  3. 3LondonEngland
    15.8
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, February 2025 · United Kingdom now