City in Flemish Brabant, Belgium
Air quality in Leuven
11PM2.5 µg/m³, yearly
Moderate
The annual average PM2.5 in Leuven was 11 µg/m³ in 2021, about 2.2 times the WHO guideline of 5 µg/m³.
Key facts
- PM2.5: 11 µg/m³ yearly average (2021). Measured at Steenokkerzeel, 14 km away.
- PM10: 19.2 µg/m³ (2021).
- Nitrogen dioxide: 15.1 µg/m³ (2021), mostly from traffic.
- Recent average: 11.7 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
Air quality across Belgium
Quick answers
Is the air in Leuven bad?
Moderate: 11 µg/m³ of PM2.5 on average, 2.2× the WHO guideline.
How does Leuven compare with the rest of Belgium?
People in Belgium breathe 8 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 11 µg/m³ measured here.
More about Leuven
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Visit Leuven
- SNCB/NMBS
- De Lijn
Annual averages are measured values reported to the WHO; check a live map for today's air. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.