Air Quality Lab — London, United Kingdom
Air Quality Profile
London reports an annual PM2.5 of 8.6 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
London
United Kingdom
United KingdomAnnual Average
GoodWHO annual classification
8.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1010 µg/m³ — Fair
8.08.0 µg/m³ — Good
9.79.7 µg/m³ — Good
1111 µg/m³ — Fair
9.39.3 µg/m³ — Good
9.29.2 µg/m³ — Good
6.76.7 µg/m³ — Good
6.56.5 µg/m³ — Good
7.57.5 µg/m³ — Good
7.37.3 µg/m³ — Good
8.28.2 µg/m³ — Good
1010 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
1010 µg/m³ — Fair
8.08.0 µg/m³ — Good
9.79.7 µg/m³ — Good
1111 µg/m³ — Fair
9.39.3 µg/m³ — Good
9.29.2 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.76.7 µg/m³ — Good
6.56.5 µg/m³ — Good
7.57.5 µg/m³ — Good
7.37.3 µg/m³ — Good
8.28.2 µg/m³ — Good
1010 µg/m³ — Good
Best months: Jul–Aug, OctWorst months: Jan, Apr, Dec
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across United Kingdom
London: 8.6 µg/m³. Typical range in United Kingdom: 7.0–7.8 µg/m³. Low anchor: Isle of Lewis, 4.3 µg/m³. High anchor: Harwich, 9.4 µg/m³.
494 cities tracked