Air Quality Lab — Heerlen, The Netherlands
Air Quality Profile·
Heerlen reports an annual PM2.5 of 8.4 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Heerlen
The Netherlands
The NetherlandsAnnual Average
GoodWHO annual classification
8.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1111 µg/m³ — Fair
7.47.4 µg/m³ — Good
8.68.6 µg/m³ — Good
1111 µg/m³ — Fair
8.68.6 µg/m³ — Good
7.47.4 µg/m³ — Good
6.86.8 µg/m³ — Good
7.77.7 µg/m³ — Good
6.86.8 µg/m³ — Good
6.56.5 µg/m³ — Good
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1111 µg/m³ — Fair
7.47.4 µg/m³ — Good
8.68.6 µg/m³ — Good
1111 µg/m³ — Fair
8.68.6 µg/m³ — Good
7.47.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.86.8 µg/m³ — Good
7.77.7 µg/m³ — Good
6.86.8 µg/m³ — Good
6.56.5 µg/m³ — Good
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
Best months: Jul, Sep–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 The Netherlands
Heerlen: 8.4 µg/m³. Typical range in The Netherlands: 7.8–8.6 µg/m³. Low anchor: Bergen, 6.8 µg/m³. High anchor: Dordrecht, 9.3 µg/m³.
166 cities tracked