What is the air quality in Zemst today?

The current Air Quality Index (AQI) in Zemst is 30 (Good). PM2.5 concentration is 7.32 µg/m³.

What is the temperature in Zemst right now?

The current temperature in Zemst is 15.6°C (feels like 15.6°C). Humidity is 45.0% and wind speed is 65.3 km/h.

Is it safe to go outside in Zemst?

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

Air Quality in Zemst, Belgium

Windy

15.6°C · 45.0% humidity

15.6°

Feels 15.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

14 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

Zemst'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.

45.0%

Humidity

65.3 km/h

Wind SW

1021.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.32 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Zemst?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.57.32 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (14 stations within 25 km)

7.32

Median

7.18

Average

3.6

Low

9.4

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -0.8

What is the 7-day forecast for Zemst?

10-21

15.6° 8.3°

1.25 mm

10-22

19.4° 7.0°

10-23

11.6° 7.8°

5.25 mm

10-24

12.9° 7.1°

10-25

14.1° 7.8°

0.19 mm

10-26

13.8° 7.7°

2.94 mm

10-27

18.3° 5.9°

0.44 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Zemst?

mechelen (hendrik speecqvest)

4.4 km PM2.5: 7.3 µg/m³ PM10: 17.0 µg/m³

Vilvoorde, Belgium

4.9 km PM2.5: 7.0 µg/m³

Voorhaven (haren), Belgium

12.3 km PM2.5: 6.0 µg/m³

Voorhaven (haren), Belgium

12.3 km PM2.5: 7.7 µg/m³

Boom, Belgium

13.4 km PM2.5: 7.4 µg/m³

brussel (regentlaan)

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

Sint-jans-molenbeek, Belgium

17.3 km PM2.5: 6.7 µg/m³

Sint-agatha-berchem, Belgium

18.4 km PM2.5: 7.0 µg/m³

Sint-agatha-berchem, Belgium

18.4 km PM2.5: 5.5 µg/m³

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Booischot

20.9 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Zemst?

31 Mechelen 30 Vilvoorde 29 Grimbergen 29 Meise 32 Sint-Katelijne-Waver 29 Zaventem 33 Willebroek 29 Kortenberg 30 Evere 33 Duffel

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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.