Air Quality Lab — Leuven, Belgium
Air Quality Profile
Leuven reports an annual PM2.5 of 8.5 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Leuven
Belgium
BelgiumAnnual Average
GoodWHO annual classification
8.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1111 µg/m³ — Fair
7.87.8 µg/m³ — Good
9.19.1 µg/m³ — Good
1111 µg/m³ — Fair
8.18.1 µg/m³ — Good
8.18.1 µg/m³ — Good
6.86.8 µg/m³ — Good
7.07.0 µg/m³ — Good
8.48.4 µg/m³ — Good
6.26.2 µg/m³ — Good
8.48.4 µg/m³ — Good
1010 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1111 µg/m³ — Fair
7.87.8 µg/m³ — Good
9.19.1 µg/m³ — Good
1111 µg/m³ — Fair
8.18.1 µg/m³ — Good
8.18.1 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.86.8 µg/m³ — Good
7.07.0 µg/m³ — Good
8.48.4 µg/m³ — Good
6.26.2 µg/m³ — Good
8.48.4 µg/m³ — Good
1010 µg/m³ — Fair
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 Belgium
Leuven: 8.5 µg/m³. Typical range in Belgium: 7.7–9.1 µg/m³. Low anchor: Walcourt, 6.4 µg/m³. High anchor: Gent, 9.7 µg/m³.
157 cities tracked