Air Quality in Sint-Pieters-Leeuw, Belgium

Clear
15.7°C · 40.2% humidity
15.7°
Feels 15.7°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 10pm
25
14
32 1am
29
47
45 4am
44
43
42 7am
22
42
22 10am
41
41
41 1pm
41
41
41 4pm
41
41
41 7pm
21
21
Station readings
25
CAMS model adj -13
27
27
27
34
34
54
54
54
54
54
34
54
34
54
54
54
54
54
54
54
54
54
34
34
AD 728×90

Air Quality Index Trend

18h · 6 stn

Sint-Pieters-Leeuw'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.

40.2%
Humidity
20.5 km/h
Wind SE
1014.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sint-Pieters-Leeuw?

Temperature & Precipitation

PM2.5 Trend

18h · 6 stations
PM2.57.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
7.7
Median
5.67
Average
2.5
Low
11.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.5

What is the 7-day forecast for Sint-Pieters-Leeuw?

07-21
25.1° 13.9°
0.38 mm
07-22
27.3° 15.7°
07-23
21.1° 18.3°
0.06 mm
07-24
22.5° 15.7°
8.0 mm
07-25
32.5° 11.3°
07-26
32.5° 14.0°
07-27
28.6° 19.8°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Sint-Pieters-Leeuw?

12
Ukkel, Belgium
8.3 km PM2.5: 2.9 µg/m³
65
Brussels
11.0 km PM2.5: 18.8 µg/m³
8
brussel (regentlaan)
11.2 km PM2.5: 1.9 µg/m³ PM10: 9.0 µg/m³
–
belgium-woluwe-saint-lambert-sint-lambrechts-woluwe-avenue-marie-josé-marie-josélaan
14.0 km 26.0°C 46.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
1
Voorhaven (haren), Belgium
15.2 km PM2.5: 0.2 µg/m³
26
Neder-over-heembeek, Belgium
16.6 km PM2.5: 6.2 µg/m³
53
Neder-over-heembeek, Belgium
16.6 km PM2.5: 13.1 µg/m³
–
rixensart
18.8 km PM2.5: 0.0 µg/m³ PM10: 4.0 µg/m³
13
Vilvoorde, Belgium
22.6 km PM2.5: 3.1 µg/m³
17
Steenokkerzeel, Belgium
24.0 km PM2.5: 4.1 µg/m³

What cities are near Sint-Pieters-Leeuw?

34 Beersel 32 Halle 40 Uccle 32 Forest 41 Dilbeek 32 Anderlecht 34 Sint-Genesius-Rode 23 Saint-Gilles 38 Molenbeek-Saint-Jean 45 Berchem-Sainte-Agathe
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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 2026-07-21T23:01 UTC.