Air Quality in Le Chesnay, France

Windy
20.1°C · 38.5% humidity
20.1°
Feels 20.1°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 4pm
13
16
23 7pm
20
20
18 10pm
16
22
22 1am
21
21
21 4am
20
20
13 7am
13
13
13 10am
13
13
11 1pm
11
13
Station readings
14
13
16
CAMS model adj -14
24
24
24
24
25
27
27
27
34
34
34
34
34
34
34
27
27
27
27
27
27
25
25
27
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.

38.5%
Humidity
53.8 km/h
Wind NE
1026.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.53 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
PM2.55.53 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (6 stations within 25 km)
5.53
Median
6.1
Average
1.56
Low
9.8
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +0.6

What is the 7-day forecast for Le Chesnay?

09-05
24.4° 12.7°
09-06
23.6° 16.8°
0.06 mm
09-07
22.1° 14.4°
14.5 mm
09-08
24.3° 14.9°
1.81 mm
09-09
24.6° 14.3°
0.31 mm
09-10
24.2° 14.7°
09-11
21.4° 13.3°
1.06 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Le Chesnay?

11
Paris Stade Lenglen, Paris
10.8 km PM2.5: 2.6 µg/m³
33
La Defense, Paris
11.6 km PM2.5: 7.9 µg/m³
48
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 11.5 µg/m³
19
Place Victor Basch, Paris
15.0 km PM2.5: 4.6 µg/m³
7
rue de Gometz
15.2 km PM2.5: 1.7 µg/m³ PM10: 1.7 µg/m³
8
Arcueil
15.6 km PM2.5: 1.9 µg/m³ PM10: 1.9 µg/m³
33
Paris
17.3 km PM2.5: 7.9 µg/m³
58
Paris
17.3 km PM2.5: 15.4 µg/m³
18
Paris
17.3 km PM2.5: 4.3 µg/m³
37
Paris
17.3 km PM2.5: 8.9 µg/m³

What cities are near Le Chesnay?

22 Versailles 26 La Celle-Saint-Cloud 22 Viroflay 20 Saint-Cyr-l'École 26 Garches 23 Chaville 26 Marly-le-Roi 25 Saint-Cloud 20 Guyancourt 21 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 2026-09-05T17:30 UTC.