Air Quality in Le Chesnay, France

Clear
20.6°C · 30.5% humidity
20.6°
Feels 20.6°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 6am
12
16
30 9am
24
40
37 12pm
35
14
33 3pm
32
31
31 6pm
11
11
10 9pm
10
10
10 12am
10
10
30 3am
10
10
Station readings
10
12
16
CAMS model adj -24
34
34
34
34
34
54
54
54
34
54
54
54
54
34
34
34
34
34
34
34
34
54
34
34
AD 728×90

Air Quality Index Trend

47h · 3 stn

Le Chesnay's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

30.5%
Humidity
21.7 km/h
Wind ESE
1013.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.34 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Le Chesnay?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.57.34 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (10 stations within 25 km)
7.34
Median
8.41
Average
1.0
Low
46.5
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.0

What is the 7-day forecast for Le Chesnay?

07-22
29.1° 20.6°
07-23
24.1° 21.0°
07-24
25.6° 18.5°
4.69 mm
07-25
33.4° 14.0°
07-26
28.3° 15.5°
0.13 mm
07-27
28.5° 19.2°
07-28
28.0° 17.0°
Both models agree Avg diff: 2.8°C

Where are air quality stations near Le Chesnay?

31
Paris Stade Lenglen, Paris
10.8 km PM2.5: 7.4 µg/m³
23
Paris Stade Lenglen, Paris
10.8 km PM2.5: 5.5 µg/m³
36
Paris Stade Lenglen, Paris
10.8 km PM2.5: 8.6 µg/m³
56
La Defense, Paris
11.6 km PM2.5: 14.5 µg/m³
56
La Defense, Paris
11.6 km PM2.5: 14.5 µg/m³
12
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 2.9 µg/m³
9
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 2.2 µg/m³
46
Place Victor Basch, Paris
15.0 km PM2.5: 11.0 µg/m³
20
rue de Gometz
15.2 km PM2.5: 4.7 µg/m³ PM10: 4.7 µg/m³
19
Arcueil
15.6 km PM2.5: 4.6 µg/m³ PM10: 4.6 µg/m³

What cities are near Le Chesnay?

29 Versailles 35 La Celle-Saint-Cloud 27 Viroflay 32 Saint-Cyr-l'École 31 Garches 26 Chaville 45 Marly-le-Roi 28 Saint-Cloud 29 Guyancourt 25 Vélizy-Villacoublay
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T07:48 UTC.