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

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
4.77
Median
4.62
Average
0.7
Low
10.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.1
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
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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.