Is time to run? ⚠️☢️☣️

Châteaugiron (Brittany) (FR)

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
5°C
Cloudy
Humidity
97%
Wind
4 m/s
Pressure
994.9 hPa
Direction
197°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
4° / 10°
Precip.
2.1mm
Max wind
4.4 m/s

Hourly Forecast

31.01
Now
Weather
31.01
05:00
Weather
31.01
06:00
Weather
31.01
07:00
Weather
31.01
08:00
Weather
31.01
09:00
Weather
0.9
31.01
10:00
Weather
0.5
31.01
11:00
Weather
31.01
12:00
Weather
31.01
13:00
Weather
0.3
31.01
14:00
Weather
10°
31.01
15:00
Weather
10°
31.01
16:00
Weather
10°
31.01
17:00
Weather
31.01
18:00
Weather
31.01
19:00
Weather
31.01
20:00
Weather
31.01
21:00
Weather
31.01
22:00
Weather
31.01
23:00
Weather
01.02
00:00
Weather
01.02
01:00
Weather
01.02
02:00
Weather
0.3
01.02
03:00
Weather
0.1

Temperature

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

Precipitation

0.9mm
0mm
09:00
0.9mm
10:00
0.5mm
13:00
0.3mm
02:00
0.3mm
03:00
0.1mm
04:00 15:00 03:00

Wind

4.4m/s
0m/s
04:00
3.9 m/s
05:00
3.3 m/s
06:00
3.2 m/s
07:00
3.4 m/s
08:00
3.8 m/s
09:00
4.4 m/s
10:00
3.5 m/s
11:00
4 m/s
12:00
4.1 m/s
13:00
4.1 m/s
14:00
3.4 m/s
15:00
4 m/s
16:00
2 m/s
17:00
2.5 m/s
18:00
3 m/s
19:00
3 m/s
20:00
3.4 m/s
21:00
3.2 m/s
22:00
3.1 m/s
23:00
3 m/s
00:00
3.2 m/s
01:00
3.4 m/s
02:00
3.6 m/s
03:00
2.8 m/s
04:00 15:00 03:00

Radiation

0.071 uSv
16.6 km
8.9%

Measurement time: 2026-01-31 03:00

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
91.7 km
73
24.3%

Measurement time: 2026-01-31 05:00

Calculated from PM2.5/PM10

O3
22.4 km
72.65 µg/m3
45.4%

Measurement time: 2026-01-31 03:41

source: OpenWeatherMap

PM2.5
91.7 km
23 µg/m3
27.4%

Measurement time: 2026-01-31 05:00

source: Aqicn

PM10
91.7 km
8 µg/m3
5.7%

Measurement time: 2026-01-31 05:00

source: Aqicn

NO2
91.7 km
4.9 µg/m3
2.5%

Measurement time: 2026-01-31 05:00

source: Aqicn

CO
22.4 km
0.1341 mg/m3
1%

Measurement time: 2026-01-31 03:41

source: OpenWeatherMap

SO2
22.4 km
0.36 µg/m3
0.1%

Measurement time: 2026-01-31 03:41

source: OpenWeatherMap

Info


Country: France
Region: Brittany
Latitude: 48.04629
Longitude: -1.50438


Solar Energy

Night
0 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Châteaugiron

About Air Quality in Châteaugiron

Air quality in Châteaugiron 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 Châteaugiron

  • 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 Châteaugiron?

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 Châteaugiron

If you're planning outdoor activities in Châteaugiron, 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.