Air Quality in Herstal, Belgium

Clear
20.0°C · 43.1% humidity
20.0°
Feels 20.0°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 9am
15
21
21 12pm
18
18
18 3pm
18
18
18 6pm
18
18
25 9pm
25
25
25 12am
25
25
45 3am
45
25
25 6am
25
25
Station readings
13
15
21
21
CAMS model adj -9
25
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
54
54
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 8 stn

Herstal'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.

43.1%
Humidity
31.7 km/h
Wind S
1020.5 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
4.96 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Herstal?

Temperature & Precipitation

PM2.5 Trend

48h · 8 stations
PM2.54.96 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (12 stations within 25 km)
4.96
Median
5.77
Average
0.7
Low
8.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.3

What is the 7-day forecast for Herstal?

09-05
20.0° 9.1°
0.06 mm
09-06
20.6° 12.8°
3.88 mm
09-07
20.0° 11.9°
6.31 mm
09-08
21.2° 14.4°
5.88 mm
09-09
17.9° 9.5°
1.94 mm
09-10
21.9° 12.1°
0.31 mm
09-11
19.4° 9.2°
1.94 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Herstal?

20
Herstal, Belgium
0.7 km PM2.5: 4.8 µg/m³
33
liege (av m destenay)
4.7 km PM2.5: 8.0 µg/m³ PM10: 20.0 µg/m³
34
Liege
4.7 km PM2.5: 8.2 µg/m³
25
Liege
4.7 km PM2.5: 6.0 µg/m³
24
Angleur, Belgium
5.9 km PM2.5: 5.8 µg/m³
34
Liege (issep), Belgium
6.8 km PM2.5: 8.2 µg/m³
50
Jemeppe-sur-meuse, Belgium
9.0 km PM2.5: 12.0 µg/m³
3
liege (aéroport 1)
10.9 km PM2.5: 0.7 µg/m³ PM10: 4.0 µg/m³
25
Eijsden-Trichterweg
14.4 km PM2.5: 6.0 µg/m³ PM10: 16.0 µg/m³
–
liége (aéroport 2)
15.4 km

What cities are near Herstal?

27 Grivegnée 29 Liège 24 Oupeye 25 Fléron 22 Ans 28 Saint-Nicolas 27 Chaudfontaine 26 Visé 25 Soumagne 25 Herve
Get AQI alerts for Herstal

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T10:58 UTC.