Air Quality in Westerlo, Belgium
Windy
22.1°C · 42.9% humidity
22.1°
Feels 22.1°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Westerlo's air quality — share it
AQI Forecast
Calibrated
29
1am
27
28
28
4am
33
36
38
7am
40
41
42
10am
42
23
16
1pm
16
24
24
4pm
24
24
24
7pm
24
24
24
10pm
24
24
Station readings
29
27
28
25
CAMS model
adj -10
34
34
34
54
54
54
54
54
54
54
54
34
27
27
34
34
34
34
34
34
34
34
34
34
Air Quality Index Trend
27h · 1 stnWesterlo'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.
42.9%
Humidity
66.7 km/h
Wind NW
1013.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.59 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Westerlo?
Temperature & Precipitation
PM2.5 Trend
27h · 1 stationPM2.56.59 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
6.59
Median
6.13
Average
2.6
Low
8.6
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +0.4
What is the 7-day forecast for Westerlo?
08-03
35.4° 19.5°
08-04
24.2° 13.7°
0.19 mm
08-05
26.2° 12.5°
0.25 mm
08-06
27.3° 16.4°
1.25 mm
08-07
30.3° 14.8°
1.88 mm
08-08
24.0° 15.2°
0.81 mm
08-09
21.2° 14.8°
2.56 mm
Both models agree
Avg diff: 4.0°C
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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 2026-08-08T02:58 UTC.