Air Quality in Westerlo, Belgium

Clear
13.7°C · 49.7% humidity
13.7°
Feels 13.7°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 9pm
15
25
23 12am
28
26
25 3am
44
24
23 6am
23
23
22 9am
22
42
42 12pm
42
42
42 3pm
22
22
22 6pm
22
15
Station readings
25
CAMS model adj -12
27
27
27
27
34
34
34
54
34
34
34
34
34
34
54
54
54
54
54
34
34
34
34
27
AD 728×90

Air Quality Index Trend

3h · 3 stn

Westerlo'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.

49.7%
Humidity
19.9 km/h
Wind N
1014.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Westerlo?

Temperature & Precipitation

PM2.5 Trend

3h · 3 stations
PM2.55.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
5.5
Median
6.2
Average
3.8
Low
7.4
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.8

What is the 7-day forecast for Westerlo?

07-21
24.9° 13.7°
2.31 mm
07-22
26.6° 13.7°
07-23
20.2° 17.9°
0.75 mm
07-24
22.0° 15.2°
4.75 mm
07-25
31.4° 10.5°
07-26
31.3° 13.4°
07-27
27.8° 18.3°
0.06 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Westerlo?

16
Aarschot, Belgium
13.7 km PM2.5: 3.8 µg/m³
54
Hoevenen, Belgium
18.3 km PM2.5: 13.5 µg/m³
57
Dessel, Belgium
23.5 km PM2.5: 15.0 µg/m³

What cities are near Westerlo?

30 Geel 27 Herentals 27 Tessenderlo 16 Aarschot 17 Heist-op-den-Berg 22 Diest 31 Kasterlee 31 Mol 31 Lille 19 Nijlen
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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 2026-07-21T22:58 UTC.