What is the air quality in Aalst today?

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

What is the temperature in Aalst right now?

The current temperature in Aalst is 15.8°C (feels like 15.8°C). Humidity is 48.9% and wind speed is 68.5 km/h.

Is it safe to go outside in Aalst?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Aalst, Belgium

Windy

15.8°C · 48.9% humidity

15.8°

Feels 15.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 44h ago

AQI 48

PM2.5 11.6 µg/m³ · 44h ago

Air Quality Index Trend

46h · 24 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.

48.9%

Humidity

68.5 km/h

Wind SW

1020.9 hPa

Pressure

0.0

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 Aalst?

Temperature & Precipitation

PM2.5 Trend

46h · 24 stations

PM2.56.52 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (7 stations within 25 km)

6.52

Median

6.67

Average

3.6

Low

8.9

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.5

What is the 7-day forecast for Aalst?

10-21

15.8° 8.0°

0.5 mm

10-22

19.3° 7.3°

10-23

11.2° 9.1°

8.0 mm

10-24

12.3° 6.6°

10-25

14.3° 6.9°

0.69 mm

10-26

13.5° 7.5°

1.63 mm

10-27

18.1° 5.9°

0.56 mm

Both models agree Avg diff: 2.8°C

Where are air quality stations near Aalst?

Sint-agatha-berchem, Belgium

19.7 km PM2.5: 5.5 µg/m³

Sint-agatha-berchem, Belgium

19.7 km PM2.5: 7.0 µg/m³

Destelbergen, Belgium

22.9 km PM2.5: 8.4 µg/m³

Sint-jans-molenbeek, Belgium

23.0 km PM2.5: 6.7 µg/m³

Gent (gustaaf Callierlaan), Belgium

24.0 km PM2.5: 6.0 µg/m³

Voorhaven (haren), Belgium

25.1 km PM2.5: 6.0 µg/m³

Voorhaven (haren), Belgium

25.1 km PM2.5: 7.7 µg/m³

Gent (baudelopark), Belgium

25.4 km PM2.5: 6.7 µg/m³

brussel (regentlaan)

25.4 km PM2.5: 5.4 µg/m³ PM10: 16.0 µg/m³

Ukkel, Belgium

27.5 km PM2.5: 5.3 µg/m³

What cities are near Aalst?

26 Haaltert 31 Lede 27 Denderleeuw 28 Lebbeke 29 Dendermonde 35 Herzele 27 Asse 27 Ninove 37 Wetteren 37 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 2026-10-21T10:49 UTC.