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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

Bewölkt
11°C
Bewölkt
Humidity
80.5%
Wind
6 m/s
Pressure
1021.4 hPa
Direction
245°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
11° / 11°
Precip.
15.4mm
Max wind
6.9 m/s

Hourly Forecast

21.02
Now
Weather
11°
6
21.02
17:00
Weather
11°
0.3
5
21.02
18:00
Weather
11°
5
21.02
19:00
Weather
11°
0.5
6
21.02
20:00
Weather
11°
0.2
6
21.02
21:00
Weather
11°
1.5
6
21.02
22:00
Weather
11°
2
6
21.02
23:00
Weather
11°
0.3
6
22.02
00:00
Weather
11°
0.2
6
22.02
01:00
Weather
11°
7
22.02
02:00
Weather
11°
7
22.02
03:00
Weather
11°
7
22.02
04:00
Weather
11°
7
22.02
05:00
Weather
11°
6
22.02
06:00
Weather
11°
0.5
6
22.02
07:00
Weather
11°
0.5
7
22.02
08:00
Weather
11°
1.2
7
22.02
09:00
Weather
11°
0.5
7
22.02
10:00
Weather
11°
0.7
7
22.02
11:00
Weather
11°
1.5
7
22.02
12:00
Weather
11°
1.8
7
22.02
13:00
Weather
11°
1.4
7
22.02
14:00
Weather
11°
1.3
7
22.02
15:00
Weather
11°
1
7

Temperature

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

Precipitation

2mm
0mm
17:00
0.3mm
19:00
0.5mm
20:00
0.2mm
21:00
1.5mm
22:00
2mm
23:00
0.3mm
00:00
0.2mm
06:00
0.5mm
07:00
0.5mm
08:00
1.2mm
09:00
0.5mm
10:00
0.7mm
11:00
1.5mm
12:00
1.8mm
13:00
1.4mm
14:00
1.3mm
15:00
1mm
16:00 03:00 15:00

Wind

6.9m/s
0m/s
16:00
6.1 m/s
17:00
5.3 m/s
18:00
5.4 m/s
19:00
5.8 m/s
20:00
6 m/s
21:00
5.6 m/s
22:00
5.9 m/s
23:00
5.8 m/s
00:00
6 m/s
01:00
6.6 m/s
02:00
6.6 m/s
03:00
6.9 m/s
04:00
6.6 m/s
05:00
6 m/s
06:00
6.4 m/s
07:00
6.7 m/s
08:00
6.6 m/s
09:00
6.6 m/s
10:00
6.7 m/s
11:00
6.6 m/s
12:00
6.7 m/s
13:00
6.6 m/s
14:00
6.8 m/s
15:00
6.6 m/s
16:00 03:00 15:00

Radiation

0.081 uSv
8 km
10.1%

Measurement time: 2026-02-21 12:00

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
75.7 km
134
44.7%

Measurement time: 2026-02-21 16:00

Calculated from PM2.5/PM10

PM2.5
75.7 km
49 µg/m3
58.3%

Measurement time: 2026-02-21 16:00

source: Aqicn

O3
73.3 km
32.6 µg/m3
20.4%

Measurement time: 2026-02-21 16:00

source: Aqicn

PM10
49 km
19 µg/m3
13.6%

Measurement time: 2026-02-21 16:00

source: Aqicn

NO2
75.7 km
8.3 µg/m3
4.2%

Measurement time: 2026-02-21 16:00

source: Aqicn

SO2
43.4 km
1.1 µg/m3
0.3%

Measurement time: 2026-02-21 16:00

source: Aqicn

CO
95.5 km
0.0001 mg/m3
0%

Measurement time: 2026-02-21 16:00

source: Aqicn

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.