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

Light rain showers
12°C
Light rain showers
Humidity
80.8%
Wind
6 m/s
Pressure
1022.2 hPa
Direction
336°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
5° / 13°
Precip.
2mm
Max wind
5.7 m/s

Hourly Forecast

02.04
Now
Weather
12°
0.2
6
02.04
11:00
Weather
13°
6
02.04
12:00
Weather
13°
5
02.04
13:00
Weather
13°
02.04
14:00
Weather
13°
02.04
15:00
Weather
13°
02.04
16:00
Weather
12°
02.04
17:00
Weather
11°
02.04
18:00
Weather
10°
02.04
19:00
Weather
02.04
20:00
Weather
02.04
21:00
Weather
02.04
22:00
Weather
02.04
23:00
Weather
03.04
00:00
Weather
03.04
01:00
Weather
03.04
02:00
Weather
03.04
03:00
Weather
0.3
03.04
04:00
Weather
0.5
03.04
05:00
Weather
03.04
06:00
Weather
0.3
03.04
07:00
Weather
0.5
03.04
08:00
Weather
0.2
03.04
09:00
Weather
5

Temperature

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

Precipitation

0.5mm
0mm
10:00
0.2mm
03:00
0.3mm
04:00
0.5mm
06:00
0.3mm
07:00
0.5mm
08:00
0.2mm
10:00 21:00 09:00

Wind

5.7m/s
0m/s
10:00
5.5 m/s
11:00
5.7 m/s
12:00
5.3 m/s
13:00
5 m/s
14:00
5 m/s
15:00
4.7 m/s
16:00
4.6 m/s
17:00
4.2 m/s
18:00
3.2 m/s
19:00
2.7 m/s
20:00
2.3 m/s
21:00
1.6 m/s
22:00
1.2 m/s
23:00
1 m/s
00:00
1.1 m/s
01:00
1.6 m/s
02:00
2 m/s
03:00
2.6 m/s
04:00
3.3 m/s
05:00
3.7 m/s
06:00
4.2 m/s
07:00
4.6 m/s
08:00
5 m/s
09:00
5.3 m/s
10:00 21:00 09:00

Radiation

0.067 uSv
54.6 km
8.4%

Measurement time: 2026-04-02 08:00

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
61
20.3%

Measurement time: 2026-04-02 12:00

Calculated from PM2.5/PM10

O3
94.9 km
67.57 µg/m3
42.2%

Measurement time: 2026-04-02 09:58

source: OpenWeatherMap

PM2.5
91.7 km
17 µg/m3
20.2%

Measurement time: 2026-04-02 12:00

source: Aqicn

PM10
91.7 km
7 µg/m3
5%

Measurement time: 2026-04-02 12:00

source: Aqicn

NO2
94.9 km
4.46 µg/m3
2.2%

Measurement time: 2026-04-02 09:58

source: OpenWeatherMap

CO
94.9 km
0.1363 mg/m3
1%

Measurement time: 2026-04-02 09:58

source: OpenWeatherMap

SO2
94.9 km
0.99 µg/m3
0.3%

Measurement time: 2026-04-02 09:58

source: OpenWeatherMap

Info


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


Solar Energy

Moderate
501.9 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.