Air Quality in Herstal, Belgium
Windy
9.9°C · 88.8% humidity
9.9°
Feels 5.4°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations
Nearby Monitoring Stations
Herstal's air quality — share it
AQI Forecast
Calibrated
22
2am
21
21
27
5am
25
24
23
8am
24
23
23
11am
23
22
22
2pm
22
22
22
5pm
22
22
22
8pm
22
22
22
11pm
22
22
Station readings
29h ago
AQI 22
PM2.5 5.3 µg/m³ · 29h ago
Air Quality Index Trend
49h · 7 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.
88.8%
Humidity
48.8 km/h
Wind SW
1022.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Herstal?
Temperature & Precipitation
PM2.5 Trend
49h · 7 stationsPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (7 stations within 25 km)
6.5
Median
5.64
Average
2.5
Low
7.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6
What is the 7-day forecast for Herstal?
06-09
22.0° 8.2°
0.19 mm
06-10
24.4° 12.4°
0.31 mm
06-11
23.0° 14.5°
2.5 mm
06-12
19.2° 10.5°
0.56 mm
06-13
22.8° 7.2°
0.5 mm
06-14
21.7° 10.9°
0.13 mm
06-15
17.7° 10.8°
4.31 mm
Both models agree
Avg diff: 3.5°C
Where are air quality stations near Herstal?
25
Herstal, Belgium
10
liege (av m destenay)
23
Liege
30
Liege
34
Liege
25
Angleur, Belgium
42
Liege (issep), Belgium
34
Jemeppe-sur-meuse, Belgium
–
liege (aéroport 1)
17
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 2026-06-09T03:33 UTC.