Air Quality in Le Chesnay, France

Cloudy
11.5°C · 72.0% humidity
11.5°
Feels 11.5°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 2am
5
5
20 5am
16
13
11 8am
9
8
7 11am
6
6
6 2pm
6
5
7 5pm
5
5
5 8pm
5
5
5 11pm
5
5
Station readings
4
5
5
CAMS model adj -20
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 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.

72.0%
Humidity
19.2 km/h
Wind WNW
1023.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.77 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Le Chesnay?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.54.77 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
4.77
Median
4.62
Average
0.7
Low
10.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.1

What is the 7-day forecast for Le Chesnay?

06-09
23.8° 10.6°
1.31 mm
06-10
24.7° 13.5°
4.38 mm
06-11
27.5° 17.2°
0.63 mm
06-12
23.6° 11.5°
0.06 mm
06-13
27.0° 9.4°
0.88 mm
06-14
24.6° 13.3°
1.25 mm
06-15
18.2° 10.6°
1.75 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Le Chesnay?

21
Paris Stade Lenglen, Paris
10.8 km PM2.5: 5.0 µg/m³
47
Paris Stade Lenglen, Paris
10.8 km PM2.5: 11.3 µg/m³
33
Paris Stade Lenglen, Paris
10.8 km PM2.5: 7.9 µg/m³
17
La Defense, Paris
11.6 km PM2.5: 4.1 µg/m³
55
La Defense, Paris
11.6 km PM2.5: 14.0 µg/m³
21
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 5.0 µg/m³
28
Avenue Des Champs Elysees, Paris
14.8 km PM2.5: 6.7 µg/m³
23
Place Victor Basch, Paris
15.0 km PM2.5: 5.5 µg/m³
5
rue de Gometz
15.2 km PM2.5: 1.2 µg/m³ PM10: 1.9 µg/m³
5
Arcueil
15.6 km PM2.5: 1.2 µg/m³ PM10: 1.2 µg/m³

What cities are near Le Chesnay?

20 Versailles 19 La Celle-Saint-Cloud 22 Viroflay 18 Saint-Cyr-l'École 21 Garches 24 Chaville 18 Marly-le-Roi 22 Saint-Cloud 17 Guyancourt 23 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 2026-06-09T03:03 UTC.