What is the air quality in Heverlee today?

The current Air Quality Index (AQI) in Heverlee is 20 (Good). PM2.5 concentration is 4.94 µg/m³.

What is the temperature in Heverlee right now?

The current temperature in Heverlee is 11.8°C (feels like 11.8°C). Humidity is 78.4% and wind speed is 50.0 km/h.

Is it safe to go outside in Heverlee?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Heverlee, Belgium

Windy

11.8°C · 78.4% humidity

11.8°

Feels 11.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

8 4am

20 7am

13 10am

11 1pm

10 4pm

9 7pm

9 10pm

8 1am

Station readings 9h ago

AQI 5

PM2.5 1.1 µg/m³ · 9h ago

CAMS model adj -16

Air Quality Index Trend

20h · 1 stn

View full history →

Heverlee's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

78.4%

Humidity

50.0 km/h

Wind WSW

1021.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.94 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Heverlee?

Temperature & Precipitation

PM2.5 Trend

20h · 1 station

PM2.54.94 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (8 stations within 25 km)

4.94

Median

4.91

Average

3.4

Low

6.5

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.9

What is the 7-day forecast for Heverlee?

06-09

17.4° 9.4°

2.0 mm

06-10

24.4° 12.3°

0.13 mm

06-11

25.2° 15.4°

2.25 mm

06-12

20.0° 11.6°

0.38 mm

06-13

24.2° 7.5°

0.06 mm

06-14

23.1° 11.9°

0.56 mm

06-15

17.4° 11.7°

3.88 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Heverlee?

Steenokkerzeel, Belgium

14.0 km PM2.5: 6.0 µg/m³

Aarschot, Belgium

16.0 km PM2.5: 8.2 µg/m³

–

belgium-woluwe-saint-lambert-sint-lambrechts-woluwe-avenue-marie-josé-marie-josélaan

19.9 km 28.0°C 43.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Vilvoorde, Belgium

20.1 km PM2.5: 2.2 µg/m³

rixensart

21.3 km PM2.5: 4.1 µg/m³ PM10: 8.0 µg/m³

Neder-over-heembeek, Belgium

21.6 km PM2.5: 17.3 µg/m³

Neder-over-heembeek, Belgium

21.6 km PM2.5: 3.1 µg/m³

Voorhaven (haren), Belgium

22.1 km PM2.5: 2.2 µg/m³

mechelen (hendrik speecqvest)

22.9 km PM2.5: 5.2 µg/m³ PM10: 12.0 µg/m³

brussel (regentlaan)

23.2 km PM2.5: 4.4 µg/m³ PM10: 14.0 µg/m³

What cities are near Heverlee?

21 Leuven 22 Blauwput 22 Kessel-Lo 20 Herent 23 Rotselaar 18 Kortenberg 19 Tervuren 19 Overijse 19 Zaventem 27 Aarschot

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T05:36 UTC.