Air Quality in Zemst, Belgium

Windy
20.6°C · 43.7% humidity
20.6°
Feels 20.6°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 9am
20
23
28 12pm
26
25
24 3pm
23
22
22 6pm
22
28
28 9pm
28
28
28 12am
28
28
28 3am
28
28
28 6am
28
28
Station readings
19
20
23
25
CAMS model adj -6
25
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 10 stn

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.

43.7%
Humidity
40.2 km/h
Wind S
1019.9 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.58 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Zemst?

Temperature & Precipitation

PM2.5 Trend

48h · 10 stations
PM2.56.58 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (13 stations within 25 km)
6.58
Median
6.42
Average
4.1
Low
10.6
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -0.4

What is the 7-day forecast for Zemst?

09-05
20.6° 10.5°
09-06
22.1° 13.3°
1.25 mm
09-07
20.3° 13.0°
5.69 mm
09-08
22.2° 14.7°
5.44 mm
09-09
18.7° 10.3°
1.75 mm
09-10
22.5° 13.6°
0.06 mm
09-11
16.3° 9.4°
0.44 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Zemst?

25
mechelen (hendrik speecqvest)
4.4 km PM2.5: 6.0 µg/m³ PM10: 16.0 µg/m³
28
Vilvoorde, Belgium
4.9 km PM2.5: 6.7 µg/m³
25
Steenokkerzeel, Belgium
8.6 km PM2.5: 6.0 µg/m³
20
Neder-over-heembeek, Belgium
10.9 km PM2.5: 4.8 µg/m³
20
Voorhaven (haren), Belgium
12.3 km PM2.5: 4.8 µg/m³
25
Boom, Belgium
13.4 km PM2.5: 6.0 µg/m³
22
brussel (regentlaan)
16.9 km PM2.5: 5.3 µg/m³ PM10: 14.0 µg/m³
21
Sint-jans-molenbeek, Belgium
17.3 km PM2.5: 5.0 µg/m³
18
Sint-agatha-berchem, Belgium
18.4 km PM2.5: 4.3 µg/m³
15
Sint-agatha-berchem, Belgium
18.4 km PM2.5: 3.6 µg/m³

What cities are near Zemst?

25 Mechelen 30 Vilvoorde 28 Grimbergen 28 Meise 26 Sint-Katelijne-Waver 27 Zaventem 26 Willebroek 25 Kortenberg 34 Evere 26 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 2026-09-05T10:58 UTC.