Air Quality in Châtillon, France
Cloudy
13.0°C · 80.8% humidity
13.0°
Feels 13.0°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations
Nearby Monitoring Stations
Châtillon's air quality — share it
AQI Forecast
Calibrated
27
8pm
39
54
45
11pm
33
29
27
2am
25
23
22
5am
22
21
21
8am
21
20
27
11am
47
47
47
2pm
47
47
47
5pm
27
27
Station readings
27
39
54
61
CAMS model
adj -7
54
54
34
34
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
54
54
54
34
34
Air Quality Index Trend
48h · 2 stnChâtillon'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.
80.8%
Humidity
10.0 km/h
Wind SW
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.8 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Châtillon?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.510.8 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (7 stations within 25 km)
10.8
Median
13.43
Average
9.1
Low
19.7
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +0.1
What is the 7-day forecast for Châtillon?
05-29
23.7° 14.0°
0.38 mm
05-30
19.0° 13.0°
2.81 mm
05-31
26.0° 14.4°
06-01
26.6° 13.2°
0.19 mm
06-02
18.8° 12.2°
10.06 mm
06-03
19.5° 13.7°
06-04
21.7° 18.4°
19.0 mm
Both models agree
Avg diff: 3.3°C
Where are air quality stations near Châtillon?
5
Arcueil
53
Paris Stade Lenglen, Paris
7
Paris Stade Lenglen, Paris
2
Paris Stade Lenglen, Paris
31
Place Victor Basch, Paris
11
Vitry-sur-seine, Paris
63
Vitry-sur-seine, Paris
105
Paris
33
Paris
19
Paris
What cities are near Châtillon?
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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 2026-05-29T21:20 UTC.