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Châtillon-sur-Seiche (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

Deszcz
11°C
Deszcz
Humidity
91.4%
Wind
6 m/s
Pressure
1008.7 hPa
Direction
250°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
2° / 11°
Precip.
6.3mm
Max wind
5.7 m/s

Hourly Forecast

13.03
Now
Weather
11°
0.3
6
13.03
07:00
Weather
10°
0.6
13.03
08:00
Weather
10°
0.7
5
13.03
09:00
Weather
0.4
13.03
10:00
Weather
0.3
13.03
11:00
Weather
0.5
13.03
12:00
Weather
1
13.03
13:00
Weather
0.8
13.03
14:00
Weather
0.4
13.03
15:00
Weather
0.4
13.03
16:00
Weather
0.3
5
13.03
17:00
Weather
0.4
5
13.03
18:00
Weather
0.2
13.03
19:00
Weather
13.03
20:00
Weather
13.03
21:00
Weather
13.03
22:00
Weather
13.03
23:00
Weather
14.03
00:00
Weather
14.03
01:00
Weather
14.03
02:00
Weather
14.03
03:00
Weather
14.03
04:00
Weather
14.03
05:00
Weather

Temperature

11°C
2°C
06:00
11°C
07:00
10°C
08:00
10°C
09:00
9°C
10:00
9°C
11:00
9°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
5°C
22:00
5°C
23:00
4°C
00:00
4°C
01:00
3°C
02:00
2°C
03:00
2°C
04:00
2°C
05:00
2°C
06:00 17:00 05:00

Precipitation

1mm
0mm
06:00
0.3mm
07:00
0.6mm
08:00
0.7mm
09:00
0.4mm
10:00
0.3mm
11:00
0.5mm
12:00
1mm
13:00
0.8mm
14:00
0.4mm
15:00
0.4mm
16:00
0.3mm
17:00
0.4mm
18:00
0.2mm
06:00 17:00 05:00

Wind

5.7m/s
0m/s
06:00
5.7 m/s
07:00
5 m/s
08:00
5.1 m/s
09:00
4.6 m/s
10:00
3.7 m/s
11:00
3.9 m/s
12:00
4.1 m/s
13:00
4.9 m/s
14:00
4.7 m/s
15:00
4.6 m/s
16:00
5.2 m/s
17:00
5.4 m/s
18:00
4.4 m/s
19:00
4 m/s
20:00
3.9 m/s
21:00
4.1 m/s
22:00
4.2 m/s
23:00
4.1 m/s
00:00
3.5 m/s
01:00
3.3 m/s
02:00
3.2 m/s
03:00
3.1 m/s
04:00
3.2 m/s
05:00
3.2 m/s
06:00 17:00 05:00

Radiation

No sensor within 100 km.

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
90.9 km
20
6.7%

Measurement time: 2026-03-13 07:00

Calculated from PM2.5/PM10

O3
90.9 km
26.9 µg/m3
16.8%

Measurement time: 2026-03-13 07:00

source: Aqicn

PM2.5
90.9 km
5 µg/m3
6%

Measurement time: 2026-03-13 07:00

source: Aqicn

PM10
90.9 km
2 µg/m3
1.4%

Measurement time: 2026-03-13 07:00

source: Aqicn

NO2
90.9 km
1 µg/m3
0.5%

Measurement time: 2026-03-13 07:00

source: Aqicn

Info


Country: France
Region: Brittany
Latitude: 48.03448
Longitude: -1.67114


Solar Energy

Very low
85.3 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Châtillon-sur-Seiche

About Air Quality in Châtillon-sur-Seiche

Air quality in Châtillon-sur-Seiche 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 Châtillon-sur-Seiche

  • 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 Châtillon-sur-Seiche?

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 Châtillon-sur-Seiche

If you're planning outdoor activities in Châtillon-sur-Seiche, 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.