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Chatou (Île-de-France) (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

Fair
5°C
Fair
Humidity
95.4%
Wind
3 m/s
Pressure
997 hPa
Direction
158°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
3° / 11°
Precip.
0.2mm
Max wind
5.3 m/s

Hourly Forecast

04.02
Now
Weather
04.02
02:00
Weather
04.02
03:00
Weather
04.02
04:00
Weather
04.02
05:00
Weather
04.02
06:00
Weather
04.02
07:00
Weather
04.02
08:00
Weather
04.02
09:00
Weather
04.02
10:00
Weather
04.02
11:00
Weather
04.02
12:00
Weather
10°
04.02
13:00
Weather
11°
04.02
14:00
Weather
11°
5
04.02
15:00
Weather
11°
04.02
16:00
Weather
10°
04.02
17:00
Weather
04.02
18:00
Weather
04.02
19:00
Weather
04.02
20:00
Weather
04.02
21:00
Weather
04.02
22:00
Weather
04.02
23:00
Weather
05.02
00:00
Weather
0.2

Temperature

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

Precipitation

0.2mm
0mm
00:00
0.2mm
01:00 12:00 00:00

Wind

5.3m/s
0m/s
01:00
3.2 m/s
02:00
3 m/s
03:00
2.8 m/s
04:00
2.5 m/s
05:00
2.7 m/s
06:00
3.2 m/s
07:00
3.5 m/s
08:00
3.6 m/s
09:00
3.5 m/s
10:00
3.4 m/s
11:00
3.7 m/s
12:00
4.2 m/s
13:00
4.7 m/s
14:00
5.3 m/s
15:00
4.5 m/s
16:00
3.9 m/s
17:00
3.7 m/s
18:00
3.8 m/s
19:00
4.3 m/s
20:00
4.4 m/s
21:00
4.3 m/s
22:00
4.2 m/s
23:00
4.2 m/s
00:00
4.3 m/s
01:00 12:00 00:00

Radiation

0.078 uSv
2.4 km
9.7%

Measurement time: 2026-02-04 00:00

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
99.8 km
20
6.7%

Measurement time: 2026-02-04 01:00

Calculated from PM2.5/PM10

O3
12.6 km
46.3 µg/m3
28.9%

Measurement time: 2026-02-04 01:33

source: OpenWeatherMap

PM2.5
99.8 km
5 µg/m3
6%

Measurement time: 2026-02-04 01:00

source: Aqicn

PM10
99.8 km
5 µg/m3
3.6%

Measurement time: 2026-02-04 01:00

source: Aqicn

NO2
99.8 km
4.6 µg/m3
2.3%

Measurement time: 2026-02-04 01:00

source: Aqicn

CO
12.6 km
0.1738 mg/m3
1.2%

Measurement time: 2026-02-04 01:33

source: OpenWeatherMap

SO2
12.6 km
0.18 µg/m3
0.1%

Measurement time: 2026-02-04 01:33

source: OpenWeatherMap

Info


Country: France
Latitude: 48.8898
Longitude: 2.15863

Cities in the area:

Croissy-sur-Seine Le Vésinet Carrières-sur-Seine Montesson Rueil-Malmaison Bougival Nanterre Le Pecq Houilles La Celle-Saint-Cloud Louveciennes Vaucresson Bezons Suresnes Garches Saint-Germain-en-Laye Saint-Cloud La Defense Le Mesnil-le-Roi Puteaux Marly-le-Roi La Garenne-Colombes Sartrouville Maisons-Laffitte Courbevoie Colombes Ville-d’Avray Le Chesnay Neuilly-sur-Seine Noisy-le-Roi Sèvres Chambourcy Poissy Bois-Colombes Boulogne-Billancourt Argenteuil Levallois-Perret Asnières-sur-Seine Chaville Cormeilles-en-Parisis Versailles Viroflay Meudon Achères Sannois Carrières-sous-Poissy Clichy Gennevilliers Issy-les-Moulineaux Fontenay-le-Fleury Vanves Clamart Villeneuve-la-Garenne Saint-Ouen Malakoff Saint-Gratien Chanteloup-les-Vignes Épinay-sur-Seine Villennes-sur-Seine Villepreux Orgeval Châtillon Montrouge Enghien-les-Bains Paris Les Clayes-sous-Bois Triel-sur-Seine Villetaneuse Deuil-la-Barre Vernouillet Gentilly Saint-Denis Montmagny Aubervilliers Plaisir Verneuil-sur-Seine Le Kremlin-Bicêtre Pierrefitte-sur-Seine Stains La Courneuve Le Pré-Saint-Gervais Pantin Ivry-sur-Seine Bagnolet Les Lilas Garges-lès-Gonesse Saint-Mandé Charenton-le-Pont Dugny Romainville Le Bourget Vincennes Montreuil Saint-Maurice Beynes Alfortville Drancy Bobigny Maisons-Alfort Noisy-le-Sec Maule Le Blanc-Mesnil Aubergenville Fontenay-sous-Bois Joinville-le-Pont Bondy Nogent-sur-Marne Villemomble Rosny-sous-Bois Aulnay-sous-Bois Le Perreux-sur-Marne Les Pavillons-sous-Bois Neuilly-Plaisance Épône Champigny-sur-Marne Le Raincy Bry-sur-Marne Gagny Sevran Livry-Gargan Villepinte Neuilly-sur-Marne Clichy-sous-Bois Villiers-sur-Marne Noisy-le-Grand Vaujours Tremblay-en-France Montfermeil Gournay-sur-Marne Le Plessis-Trévise Chelles Champs-sur-Marne Courtry Villeparisis Mantes-la-Ville Émerainville

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About Air Quality in Chatou

Air quality in Chatou 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 Chatou

  • 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 Chatou?

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 Chatou

If you're planning outdoor activities in Chatou, 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.