Air Quality in Herstal, Belgium
Overcast
11.3°C · 93.3% humidity
11.3°
Feels 11.3°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
14 stations
Nearby Monitoring Stations
AQI Forecast
27
8pm
27
27
55
11pm
54
48
44
2am
61
59
58
5am
57
56
55
8am
35
35
35
11am
34
34
34
2pm
54
54
54
5pm
54
54
Air Quality Index Trend
49h · 13 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.
93.3%
Humidity
24.1 km/h
Wind SSW
1010.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.77 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Herstal?
Temperature & Precipitation
PM2.5 Trend
49h · 13 stationsPM2.513.77 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (14 stations within 25 km)
13.77
Median
15.67
Average
8.2
Low
22.1
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -3.8
What is the 7-day forecast for Herstal?
05-29
19.7° 11.0°
05-30
16.4° 11.3°
4.0 mm
05-31
24.6° 9.4°
2.44 mm
06-01
23.8° 12.7°
0.19 mm
06-02
25.9° 15.8°
5.44 mm
06-03
16.9° 13.3°
0.25 mm
06-04
28.3° 18.2°
0.44 mm
Both models agree
Avg diff: 4.4°C
Where are air quality stations near Herstal?
5
Herstal, Belgium
66
liege (av m destenay)
23
Liege
95
Liege
57
Liege
60
Angleur, Belgium
63
Liege (issep), Belgium
17
Jemeppe-sur-meuse, Belgium
59
liege (aéroport 1)
70
Eijsden-Trichterweg
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 2026-05-29T21:39 UTC.