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Challans (Pays de la Loire) (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

Ясне небо
17°C
Ясне небо
Humidity
53.2%
Wind
5 m/s
Pressure
1019.4 hPa
Direction
60°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
8° / 18°
Precip.
0mm
Max wind
6.4 m/s

Hourly Forecast

19.04
Now
Weather
17°
5
19.04
18:00
Weather
16°
19.04
19:00
Weather
14°
19.04
20:00
Weather
13°
19.04
21:00
Weather
12°
19.04
22:00
Weather
11°
19.04
23:00
Weather
11°
20.04
00:00
Weather
10°
20.04
01:00
Weather
10°
5
20.04
02:00
Weather
5
20.04
03:00
Weather
6
20.04
04:00
Weather
5
20.04
05:00
Weather
5
20.04
06:00
Weather
6
20.04
07:00
Weather
10°
5
20.04
08:00
Weather
12°
6
20.04
09:00
Weather
13°
6
20.04
10:00
Weather
15°
6
20.04
11:00
Weather
16°
6
20.04
12:00
Weather
17°
6
20.04
13:00
Weather
18°
6
20.04
14:00
Weather
18°
6
20.04
15:00
Weather
18°
6
20.04
16:00
Weather
18°
6

Temperature

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

Precipitation

0mm
0mm
17:00 04:00 16:00

Wind

6.4m/s
0m/s
17:00
5.3 m/s
18:00
4.8 m/s
19:00
4.6 m/s
20:00
4.6 m/s
21:00
4.5 m/s
22:00
4.3 m/s
23:00
4.5 m/s
00:00
4.7 m/s
01:00
5.1 m/s
02:00
5.4 m/s
03:00
5.5 m/s
04:00
5.4 m/s
05:00
5.4 m/s
06:00
5.5 m/s
07:00
5.4 m/s
08:00
5.6 m/s
09:00
5.6 m/s
10:00
5.7 m/s
11:00
6.4 m/s
12:00
6.3 m/s
13:00
6.2 m/s
14:00
6.1 m/s
15:00
6.1 m/s
16:00
6.2 m/s
17:00 04:00 16:00

Radiation

0.092 uSv
30 km
11.5%

Measurement time: 2026-04-19 16:00

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
49.3 km
59
19.7%

Measurement time: 2026-04-19 19:00

Calculated from PM2.5/PM10

O3
49.3 km
41 µg/m3
25.6%

Measurement time: 2026-04-19 19:00

source: Aqicn

PM2.5
49.3 km
16 µg/m3
19%

Measurement time: 2026-04-19 19:00

source: Aqicn

PM10
49.3 km
7 µg/m3
5%

Measurement time: 2026-04-19 19:00

source: Aqicn

NO2
49.3 km
1.2 µg/m3
0.6%

Measurement time: 2026-04-19 19:00

source: Aqicn

Info


Country: France
Latitude: 46.84363
Longitude: -1.87491


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About Air Quality in Challans

Air quality in Challans 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 Challans

  • 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 Challans?

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 Challans

If you're planning outdoor activities in Challans, 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.