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Sint-Pieters-Leeuw (Flanders) (BE)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
6°C
Cloudy
Humidity
94.5%
Wind
5 m/s
Pressure
1005.6 hPa
Direction
170°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
5° / 8°
Precip.
12.1mm
Max wind
5.9 m/s

Hourly Forecast

01.02
Now
Weather
01.02
10:00
Weather
01.02
11:00
Weather
5
01.02
12:00
Weather
01.02
13:00
Weather
01.02
14:00
Weather
01.02
15:00
Weather
01.02
16:00
Weather
01.02
17:00
Weather
01.02
18:00
Weather
01.02
19:00
Weather
0.2
01.02
20:00
Weather
0.1
01.02
21:00
Weather
01.02
22:00
Weather
0.1
01.02
23:00
Weather
0.4
02.02
00:00
Weather
0.8
02.02
01:00
Weather
3.4
02.02
02:00
Weather
6
02.02
03:00
Weather
3
02.02
04:00
Weather
2.4
02.02
05:00
Weather
1.6
02.02
06:00
Weather
0.1
02.02
07:00
Weather
02.02
08:00
Weather

Temperature

8°C
5°C
09:00
6°C
10:00
7°C
11:00
7°C
12:00
8°C
13:00
8°C
14:00
8°C
15:00
8°C
16:00
8°C
17:00
7°C
18:00
7°C
19:00
6°C
20:00
6°C
21:00
6°C
22:00
6°C
23:00
7°C
00:00
6°C
01:00
6°C
02:00
5°C
03:00
6°C
04:00
6°C
05:00
5°C
06:00
5°C
07:00
5°C
08:00
5°C
09:00 20:00 08:00

Precipitation

3.4mm
0mm
19:00
0.2mm
20:00
0.1mm
22:00
0.1mm
23:00
0.4mm
00:00
0.8mm
01:00
3.4mm
03:00
3mm
04:00
2.4mm
05:00
1.6mm
06:00
0.1mm
09:00 20:00 08:00

Wind

5.9m/s
0m/s
09:00
4.5 m/s
10:00
5 m/s
11:00
5.2 m/s
12:00
4.7 m/s
13:00
4.4 m/s
14:00
4.3 m/s
15:00
4.4 m/s
16:00
3.4 m/s
17:00
3.2 m/s
18:00
3.3 m/s
19:00
3.8 m/s
20:00
4.1 m/s
21:00
4.2 m/s
22:00
4.3 m/s
23:00
4.4 m/s
00:00
4.2 m/s
01:00
4.1 m/s
02:00
5.9 m/s
03:00
4.3 m/s
04:00
4.1 m/s
05:00
3.9 m/s
06:00
3.3 m/s
07:00
3.5 m/s
08:00
2.8 m/s
09:00 20:00 08:00

Radiation

0.081 uSv
8 km
10.1%

Measurement time: 2026-02-01 05:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
95.5 km
112
37.3%

Measurement time: 2026-02-01 09:00

Calculated from PM2.5/PM10

PM2.5
95.5 km
40 µg/m3
47.6%

Measurement time: 2026-02-01 09:00

source: Aqicn

O3
96.7 km
25.58 µg/m3
16%

Measurement time: 2026-02-01 08:33

source: OpenWeatherMap

PM10
49 km
19 µg/m3
13.6%

Measurement time: 2026-02-01 09:00

source: Aqicn

NO2
96.7 km
23.18 µg/m3
11.6%

Measurement time: 2026-02-01 08:33

source: OpenWeatherMap

CO
96.7 km
0.33179 mg/m3
2.4%

Measurement time: 2026-02-01 08:33

source: OpenWeatherMap

SO2
96.7 km
1.64 µg/m3
0.5%

Measurement time: 2026-02-01 08:33

source: OpenWeatherMap

Info


Country: Belgium
Region: Flanders
Latitude: 50.77926
Longitude: 4.24355

About Air Quality in Sint-Pieters-Leeuw

Air quality in Sint-Pieters-Leeuw is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Sint-Pieters-Leeuw

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Sint-Pieters-Leeuw?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Sint-Pieters-Leeuw

If you're planning outdoor activities in Sint-Pieters-Leeuw, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.