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Braine-l'Alleud (Wallonia) (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

Rain
5°C
Rain
Humidity
96.6%
Wind
3 m/s
Pressure
1003.3 hPa
Direction
179°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
3° / 9°
Precip.
11.2mm
Max wind
4.7 m/s

Hourly Forecast

13.03
Now
Weather
0.5
13.03
19:00
Weather
0.4
13.03
20:00
Weather
0.2
13.03
21:00
Weather
0.3
13.03
22:00
Weather
0.5
13.03
23:00
Weather
1.3
14.03
00:00
Weather
1.1
14.03
01:00
Weather
1
14.03
02:00
Weather
0.9
14.03
03:00
Weather
0.6
14.03
04:00
Weather
0.5
14.03
05:00
Weather
0.5
14.03
06:00
Weather
0.2
14.03
07:00
Weather
14.03
08:00
Weather
0.1
14.03
09:00
Weather
14.03
10:00
Weather
0.2
14.03
11:00
Weather
0.3
14.03
12:00
Weather
0.1
14.03
13:00
Weather
0.2
14.03
14:00
Weather
1.6
14.03
15:00
Weather
0.5
14.03
16:00
Weather
0.2
14.03
17:00
Weather

Temperature

9°C
3°C
18:00
5°C
19:00
5°C
20:00
5°C
21:00
5°C
22:00
5°C
23:00
5°C
00:00
4°C
01:00
4°C
02:00
4°C
03:00
4°C
04:00
4°C
05:00
4°C
06:00
3°C
07:00
4°C
08:00
4°C
09:00
5°C
10:00
6°C
11:00
7°C
12:00
8°C
13:00
8°C
14:00
9°C
15:00
6°C
16:00
5°C
17:00
5°C
18:00 05:00 17:00

Precipitation

1.6mm
0mm
18:00
0.5mm
19:00
0.4mm
20:00
0.2mm
21:00
0.3mm
22:00
0.5mm
23:00
1.3mm
00:00
1.1mm
01:00
1mm
02:00
0.9mm
03:00
0.6mm
04:00
0.5mm
05:00
0.5mm
06:00
0.2mm
08:00
0.1mm
10:00
0.2mm
11:00
0.3mm
12:00
0.1mm
13:00
0.2mm
14:00
1.6mm
15:00
0.5mm
16:00
0.2mm
18:00 05:00 17:00

Wind

4.7m/s
0m/s
18:00
3.3 m/s
19:00
3 m/s
20:00
2.8 m/s
21:00
2.7 m/s
22:00
2.6 m/s
23:00
2.8 m/s
00:00
2.9 m/s
01:00
3.1 m/s
02:00
3.8 m/s
03:00
3.7 m/s
04:00
3.4 m/s
05:00
3.8 m/s
06:00
4.3 m/s
07:00
3.9 m/s
08:00
4.5 m/s
09:00
4.7 m/s
10:00
4.4 m/s
11:00
4.7 m/s
12:00
4.6 m/s
13:00
4.4 m/s
14:00
3.9 m/s
15:00
4.4 m/s
16:00
2.8 m/s
17:00
2.9 m/s
18:00 05:00 17:00

Radiation

0.083 uSv
1.6 km
10.4%

Measurement time: 2026-03-13 14:00

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
58.2 km
61
20.3%

Measurement time: 2026-03-13 19:00

Calculated from PM2.5/PM10

PM2.5
58.2 km
17 µg/m3
20.2%

Measurement time: 2026-03-13 19:00

source: Aqicn

O3
85.6 km
29.7 µg/m3
18.6%

Measurement time: 2026-03-13 18:00

source: Aqicn

PM10
83.5 km
14 µg/m3
10%

Measurement time: 2026-03-13 18:00

source: Aqicn

NO2
58.2 km
11.5 µg/m3
5.8%

Measurement time: 2026-03-13 19:00

source: Aqicn

SO2
30.8 km
0.6 µg/m3
0.2%

Measurement time: 2026-03-13 18:00

source: Aqicn

CO
85.6 km
0.0001 mg/m3
0%

Measurement time: 2026-03-13 18:00

source: Aqicn

Info


Country: Belgium
Region: Wallonia
Latitude: 50.68363
Longitude: 4.36784

About Air Quality in Braine-l'Alleud

Air quality in Braine-l'Alleud 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 Braine-l'Alleud

  • 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 Braine-l'Alleud?

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 Braine-l'Alleud

If you're planning outdoor activities in Braine-l'Alleud, 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.