Air quality, pollen & UV in Leuven
Leuven has fair air quality today (European AQI 21), with all monitored pollen types low or absent and the UV index peaking at 1 (low). The day stays rainy: temperatures rise from 10°C at 08:00 to 13°C at 17:00, with moderate wind from the southwest (22 km/h) and 91% humidity.
With an air quality index of 21, Leuven today sits around the average for Belgium (25). Of the 10 cities we track in Belgium, Leuven ranks 2 for the cleanest air. Right now the index is driven mainly by Ozone (52 µg/m³). Pollen counts are low across the board right now.
Pollutant breakdownDetails
Air quality today
Good to do today?
Best time to be outside
Who should take care today
No group needs special precautions today - conditions are fine for everyone.
Pollen levels right now
| Pollen | Level | Count |
|---|---|---|
| Alder | None | 0 grains/m³ |
| Birch | None | 0 grains/m³ |
| Grass | None | 0 grains/m³ |
| Mugwort | None | 0 grains/m³ |
| Olive | None | 0 grains/m³ |
| Ragweed | None | 0 grains/m³ |
Sun & UV today
UV index by hour
Sun protection
Next days outlook
| Date | Max AQI | Max UV |
|---|---|---|
| 9 Oct | 30 Fair | 1 Low |
| 10 Oct | 24 Fair | 2 Low |
| 11 Oct | 28 Fair | 2 Low |
What do these values mean?
The European Air Quality Index (EAQI) runs from good to extremely poor based on PM2.5, PM10, NO₂ and ozone. Lower is better.
Pollen is shown in grains per m³ of air and banded from none to very high. Thresholds differ per plant type and are indicative.
The UV index runs from low (0–2) to extreme (11+). From moderate (3+), wear sunscreen and seek shade around midday.
Leuven air quality, pollen & UV - FAQ
- Is the air quality in Leuven good right now?
- Leuven has fair air quality today (European AQI 21), with all monitored pollen types low or absent and the UV index peaking at 1 (low). The day stays rainy: temperatures rise from 10°C at 08:00 to 13°C at 17:00, with moderate wind from the southwest (22 km/h) and 91% humidity. Air quality is acceptable for most people.
- What is the pollen forecast in Leuven today?
- All monitored pollen types are low or absent in Leuven right now.
- How often is the Leuven air quality data updated?
- Air quality and pollen for Leuven are refreshed every day from the Copernicus CAMS European model via Open-Meteo.
- How strong is the UV in Leuven today?
- The UV index in Leuven peaks at 1 (low) today. From moderate (3 or higher), use sunscreen and seek shade around midday.