Air Quality in Cachan, France
Clear
25.1°C · 46.2% humidity
25.1°
Feels 25.1°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
19 stations
Nearby Monitoring Stations
Cachan's air quality — share it
AQI Forecast
Calibrated
15
12pm
7
9
25
3pm
18
13
9
6pm
7
5
5
9pm
11
11
10
12am
10
10
9
3am
2
2
2
6am
2
2
2
9am
2
2
Station readings
15
7
9
CAMS model
adj -25
34
34
34
25
24
24
24
25
25
27
34
34
34
34
34
34
27
27
27
27
27
27
27
27
Air Quality Index Trend
47h · 3 stnCachan'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.
46.2%
Humidity
20.5 km/h
Wind SSW
1019.2 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.94 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Cachan?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.55.94 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
Station readings (19 stations within 25 km)
5.94
Median
10.46
Average
1.12
Low
28.3
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.3
What is the 7-day forecast for Cachan?
09-05
25.1° 14.1°
0.19 mm
09-06
24.1° 16.8°
0.13 mm
09-07
22.6° 14.0°
12.62 mm
09-08
24.6° 15.8°
3.44 mm
09-09
27.8° 14.6°
0.25 mm
09-10
25.1° 15.0°
09-11
20.7° 14.0°
1.56 mm
Both models agree
Avg diff: 4.1°C
Where are air quality stations near Cachan?
8
Arcueil
53
Place Victor Basch, Paris
27
Place Victor Basch, Paris
24
Vitry-sur-seine, Paris
16
Paris Stade Lenglen, Paris
60
Paris Stade Lenglen, Paris
18
Paris
58
Paris
37
Paris
33
Paris
What cities are near Cachan?
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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 2026-09-05T13:43 UTC.