Air Quality in Diest, Belgium
Windy
25.8°C · 27.5% humidity
25.8°
Feels 25.8°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Diest's air quality — share it
AQI Forecast
Calibrated
29
1am
27
25
30
4am
33
35
37
7am
38
39
40
10am
40
20
13
1pm
14
14
14
4pm
14
14
14
7pm
21
21
21
10pm
21
21
Station readings
29
27
25
CAMS model
adj -13
34
54
54
54
54
54
54
54
54
54
54
34
27
27
27
27
27
27
27
34
34
34
34
34
Air Quality Index Trend
28h · 3 stnDiest'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.
27.5%
Humidity
76.5 km/h
Wind WNW
1012.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.09 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Diest?
Temperature & Precipitation
PM2.5 Trend
28h · 3 stationsPM2.57.09 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
7.09
Median
6.37
Average
3.1
Low
8.6
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -0.1
What is the 7-day forecast for Diest?
08-03
38.0° 20.8°
08-04
24.0° 13.3°
0.19 mm
08-05
26.8° 11.7°
0.06 mm
08-06
29.5° 17.6°
1.25 mm
08-07
32.2° 15.0°
1.63 mm
08-08
25.1° 15.0°
0.62 mm
08-09
21.9° 15.1°
1.19 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.