What is the air quality in Sint-Pieters-Leeuw today?

The current Air Quality Index (AQI) in Sint-Pieters-Leeuw is 23 (Good). PM2.5 concentration is 5.47 µg/m³.

What is the temperature in Sint-Pieters-Leeuw right now?

The current temperature in Sint-Pieters-Leeuw is 11.0°C (feels like 11.0°C). Humidity is 79.8% and wind speed is 47.3 km/h.

Is it safe to go outside in Sint-Pieters-Leeuw?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Sint-Pieters-Leeuw, Belgium

Windy

11.0°C · 79.8% humidity

11.0°

Feels 11.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

13 3am

23 6am

18 9am

15 12pm

14 3pm

14 6pm

14 9pm

14 12am

Station readings 8h ago

AQI 5

PM2.5 1.1 µg/m³ · 8h ago

CAMS model adj -11

Air Quality Index Trend

20h · 1 stn

View full history →

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.

79.8%

Humidity

47.3 km/h

Wind SW

1022.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.47 µg/m³

PM10

13.7 µg/m³

050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

20h · 1 station

PM2.55.47 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (7 stations within 25 km)

5.47

Median

5.41

Average

3.6

Low

7.9

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.3

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

06-09

17.9° 8.7°

1.56 mm

06-10

23.3° 12.5°

1.0 mm

06-11

25.5° 15.5°

2.69 mm

06-12

20.1° 10.7°

0.81 mm

06-13

24.5° 8.2°

0.13 mm

06-14

23.5° 11.5°

0.5 mm

06-15

17.0° 11.3°

5.94 mm

Both models agree Avg diff: 3.8°C

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

Ukkel, Belgium

8.3 km PM2.5: 9.1 µg/m³

Brussels

11.0 km PM2.5: 7.7 µg/m³

brussel (regentlaan)

11.2 km PM2.5: 3.9 µg/m³ PM10: 11.0 µg/m³

–

belgium-woluwe-saint-lambert-sint-lambrechts-woluwe-avenue-marie-josé-marie-josélaan

14.0 km 28.0°C 44.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Voorhaven (haren), Belgium

15.2 km PM2.5: 7.2 µg/m³

Neder-over-heembeek, Belgium

16.6 km PM2.5: 7.2 µg/m³

Neder-over-heembeek, Belgium

16.6 km PM2.5: 3.1 µg/m³

rixensart

18.8 km PM2.5: 4.1 µg/m³ PM10: 8.0 µg/m³

Vilvoorde, Belgium

22.6 km PM2.5: 7.0 µg/m³

Steenokkerzeel, Belgium

24.0 km PM2.5: 2.9 µg/m³

What cities are near Sint-Pieters-Leeuw?

23 Beersel 23 Halle 23 Uccle 21 Forest 27 Dilbeek 20 Anderlecht 23 Sint-Genesius-Rode 19 Saint-Gilles 21 Molenbeek-Saint-Jean 28 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 2026-06-09T04:25 UTC.