What is the air quality in Aalst today?

The current Air Quality Index (AQI) in Aalst is 22 (Good). PM2.5 concentration is 5.24 µg/m³.

What is the temperature in Aalst right now?

The current temperature in Aalst is 11.9°C (feels like 11.9°C). Humidity is 76.8% and wind speed is 44.6 km/h.

Is it safe to go outside in Aalst?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Aalst, Belgium

Windy

11.9°C · 76.8% humidity

11.9°

Feels 11.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

18 5am

22 8am

19 11am

19 2pm

19 5pm

19 8pm

19 11pm

19 2am

Station readings 32h ago

AQI 21

PM2.5 5.0 µg/m³ · 32h ago

Air Quality Index Trend

48h · 15 stn

View full history →

Aalst'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.

76.8%

Humidity

44.6 km/h

Wind SW

1021.5 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.24 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Aalst?

Temperature & Precipitation

PM2.5 Trend

48h · 15 stations

PM2.55.24 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (5 stations within 25 km)

5.24

Median

5.26

Average

4.6

Low

5.8

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +0.7

What is the 7-day forecast for Aalst?

06-09

17.3° 9.4°

3.81 mm

06-10

23.6° 12.5°

0.75 mm

06-11

25.9° 15.1°

1.56 mm

06-12

20.7° 12.2°

0.5 mm

06-13

24.5° 7.6°

0.13 mm

06-14

22.1° 13.0°

0.56 mm

06-15

18.2° 11.3°

12.19 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Aalst?

Destelbergen, Belgium

22.9 km PM2.5: 2.2 µg/m³

Gent (gustaaf Callierlaan), Belgium

24.0 km PM2.5: 12.1 µg/m³

Brussels

24.1 km PM2.5: 7.7 µg/m³

Voorhaven (haren), Belgium

25.1 km PM2.5: 10.3 µg/m³

brussel (regentlaan)

25.4 km PM2.5: 5.0 µg/m³ PM10: 17.0 µg/m³

Neder-over-heembeek, Belgium

25.5 km PM2.5: 2.2 µg/m³

Neder-over-heembeek, Belgium

25.5 km PM2.5: 3.1 µg/m³

Ukkel, Belgium

27.5 km PM2.5: 3.1 µg/m³

Sint-kruiswinkel, Belgium

28.6 km PM2.5: 6.7 µg/m³

Boom, Belgium

29.7 km PM2.5: 6.0 µg/m³

What cities are near Aalst?

23 Haaltert 23 Lede 20 Denderleeuw 20 Lebbeke 23 Dendermonde 24 Herzele 20 Asse 20 Ninove 23 Wetteren 22 Zele

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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 2026-06-09T06:36 UTC.