Air Quality in Herstal, Belgium
Windy
26.8°C · 22.2% humidity
26.8°
Feels 26.8°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations
Nearby Monitoring Stations
Herstal's air quality — share it
AQI Forecast
Calibrated
26
1am
23
18
25
4am
28
31
33
7am
34
35
35
10am
16
9
9
1pm
10
10
10
4pm
17
17
10
7pm
10
17
17
10pm
17
17
Station readings
26
23
18
CAMS model
adj -17
54
54
54
54
54
54
54
54
54
54
34
27
27
27
27
27
34
34
27
27
34
34
34
34
Air Quality Index Trend
35h · 8 stnHerstal'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.
22.2%
Humidity
56.9 km/h
Wind WSW
1012.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Herstal?
Temperature & Precipitation
PM2.5 Trend
35h · 8 stationsPM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (10 stations within 25 km)
5.9
Median
6.22
Average
3.4
Low
9.4
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.2
What is the 7-day forecast for Herstal?
08-03
37.9° 22.0°
08-04
22.2° 13.7°
0.31 mm
08-05
26.7° 14.0°
08-06
28.3° 18.7°
1.0 mm
08-07
33.2° 14.2°
4.63 mm
08-08
25.2° 13.2°
1.31 mm
08-09
22.9° 14.7°
0.19 mm
Both models agree
Avg diff: 4.5°C
Where are air quality stations near Herstal?
18
Herstal, Belgium
25
liege (av m destenay)
34
Liege
23
Liege
29
Liege
29
Liege
42
Liege
42
Liege
28
Liege
21
Liege
What cities are near Herstal?
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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 2026-08-08T02:05 UTC.