Air Quality in Le Chesnay, France

Windy
27.1°C · 28.3% humidity
27.1°
Feels 27.1°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
23 5am
20
19
29 8am
19
17
16 11am
15
14
13 2pm
13
13
12 5pm
12
12
12 8pm
19
39
39 11pm
39
39
39 2am
39
39
Station readings
23
20
19
CAMS model adj -15
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 4 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.

28.3%
Humidity
61.0 km/h
Wind WNW
1013.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
7.05 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Le Chesnay?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.57.05 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
7.05
Median
7.49
Average
1.83
Low
22.84
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -0.1

What is the 7-day forecast for Le Chesnay?

08-03
38.6° 18.4°
1.69 mm
08-04
28.0° 16.7°
08-05
32.2° 19.4°
08-06
33.0° 17.8°
08-07
33.4° 15.7°
1.06 mm
08-08
27.1° 17.8°
08-09
22.9° 16.1°
Both models agree Avg diff: 3.6°C

Where are air quality stations near Le Chesnay?

13
Paris Stade Lenglen, Paris
10.8 km PM2.5: 3.1 µg/m³
57
Paris Stade Lenglen, Paris
10.8 km PM2.5: 15.0 µg/m³
56
Paris Stade Lenglen, Paris
10.8 km PM2.5: 14.5 µg/m³
12
Paris Stade Lenglen, Paris
10.8 km PM2.5: 2.9 µg/m³
27
La Defense, Paris
11.6 km PM2.5: 6.5 µg/m³
152
La Defense, Paris
11.6 km PM2.5: 57.4 µg/m³
173
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 98.1 µg/m³
54
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 13.5 µg/m³
23
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 5.5 µg/m³
40
Place Victor Basch, Paris
15.0 km PM2.5: 9.6 µg/m³

What cities are near Le Chesnay?

27 Versailles 35 La Celle-Saint-Cloud 27 Viroflay 28 Saint-Cyr-l'École 35 Garches 28 Chaville 39 Marly-le-Roi 37 Saint-Cloud 23 Guyancourt 24 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 2026-08-08T06:39 UTC.