SmogRank / Countries / United Kingdom / 2024
Most polluted cities in United Kingdom, 2024
42 cities in United Kingdom ranked by their average PM2.5 over the 366 days; 38 above the WHO annual guideline (5.0 µg/m³). Worst: Grays at 8.7 µg/m³, #611 of 1,686 cities in the world. Cleanest: Penicuik at 3.8. A city needs measurements on 70% of the days to be ranked.
- 1GraysEngland 8.71.7×
- 2Manchesterlow-cost sensorsEngland 8.61.7×
- 3LondonEngland 8.41.7×
- 4Birminghamlow-cost sensorsEngland 8.21.6×
- 5DartfordEngland 8.11.6×
- 6LeedsEngland 7.91.6×
- 7CardiffWales 7.81.6×
- 8Briton FerryWales 7.71.5×
- 8BexleyEngland 7.71.5×
- 10Kingston upon HullEngland 7.61.5×
- 11PlymouthEngland 7.51.5×
- 11CanterburyEngland 7.51.5×
- 13SheffieldEngland 7.21.4×
- 13BelfastNorthern Ireland 7.21.4×
- 13Canvey IslandEngland 7.21.4×
- 16WiganEngland 7.01.4×
- 17Stoke-on-TrentEngland 6.91.4×
- 18YorkEngland 6.81.4×
- 18NorwichEngland 6.81.4×
- 18Clacton-on-SeaEngland 6.81.4×
- 18BarnsleyEngland 6.81.4×
- 22Newcastle upon TyneEngland 6.71.3×
- 23SouthamptonEngland 6.61.3×
- 23HayesEngland 6.61.3×
- 23ChesterfieldEngland 6.61.3×
- 26PrestonEngland 6.51.3×
- 26NewportWales 6.51.3×
- 26LiverpoolEngland 6.51.3×
- 29ReadingEngland 6.31.3×
- 29NewmarketEngland 6.31.3×
- 29Royal Leamington SpaEngland 6.31.3×
- 32SeafordEngland 6.11.2×
- 33IrlamEngland 6.01.2×
- 34AndoverEngland 5.81.2×
- 35MiddlesbroughEngland 5.71.1×
- 36DagenhamEngland 5.61.1×
- 37GlasgowScotland 5.51.1×
- 38OxfordEngland 5.31.1×
- 39Newton AbbotEngland 4.50.9×
- 39GrangemouthScotland 4.50.9×
- 41SaltashEngland 4.20.8×
- 42PenicuikScotland 3.80.8×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+