SmogRank / Countries / United Kingdom / July 2023

Most polluted cities in United Kingdom, July 2023

5 cities in United Kingdom ranked by their average PM2.5 over the 31 days. Worst: Grays at 7.7 µg/m³, #691 of 1,103 cities in the world. Cleanest: Banbridge at 3.9. A city needs measurements on 70% of the days to be ranked.

  1. 1GraysEngland
    7.7
  2. 2LondonEngland
    5.6
  3. 3DagenhamEngland
    5.2
  4. 4BexleyEngland
    5.1
  5. 5BanbridgeNorthern Ireland
    3.9
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, July 2023 · United Kingdom now

Use this board

SmogRank, most polluted cities in United Kingdom, PM2.5, July 2023, smogrank.com/gb/history/2023-07 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.