What is the air quality in Diest today?

The current Air Quality Index (AQI) in Diest is 27 (Good). PM2.5 concentration is 6.52 µg/m³.

What is the temperature in Diest right now?

The current temperature in Diest is 11.3°C (feels like 11.3°C). Humidity is 82.0% and wind speed is 48.6 km/h.

Is it safe to go outside in Diest?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Diest, Belgium

Windy

11.3°C · 82.0% humidity

11.3°

Feels 11.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

24 3am

27 6am

24 9am

25 12pm

25 3pm

25 6pm

25 9pm

25 12am

Air Quality Index Trend

48h · 22 stn

View full history →

Diest'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.

82.0%

Humidity

48.6 km/h

Wind SW

1021.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.52 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Diest?

Temperature & Precipitation

PM2.5 Trend

48h · 22 stations

PM2.56.52 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

6.52

Median

6.83

Average

5.3

Low

9.4

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6

What is the 7-day forecast for Diest?

06-09

18.4° 8.5°

1.13 mm

06-10

25.0° 11.4°

0.38 mm

06-11

25.0° 14.7°

2.56 mm

06-12

20.3° 11.3°

0.44 mm

06-13

24.7° 6.8°

0.19 mm

06-14

22.7° 11.4°

0.19 mm

06-15

17.9° 11.4°

4.38 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Diest?

Aarschot, Belgium

15.0 km PM2.5: 2.4 µg/m³

Houthalen-helchteren, Belgium

23.3 km PM2.5: 4.8 µg/m³

What cities are near Diest?

27 Tessenderlo 27 Beringen 25 Westerlo 24 Aarschot 26 Heusden 26 Koersel 25 Zolder 26 Geel 38 Hasselt 26 Sint-Truiden

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-06-09T04:23 UTC.