Air Quality in Châtillon, France
Windy
27.7°C · 25.8% humidity
27.7°
Feels 27.7°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
14
12am
15
1
17
3am
12
9
6
6am
4
3
2
9am
2
1
1
12pm
1
0
0
3pm
0
0
0
6pm
0
0
1
9pm
21
21
Station readings
14
15
CAMS model
adj -33
54
54
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
Air Quality Index Trend
46h · 4 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.
25.8%
Humidity
52.9 km/h
Wind W
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Châtillon?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.54.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (4 stations within 25 km)
4.1
Median
7.49
Average
1.83
Low
22.84
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +5.6
What is the 7-day forecast for Châtillon?
08-03
37.3° 19.1°
1.25 mm
08-04
28.8° 19.1°
0.19 mm
08-05
33.6° 21.4°
08-06
33.6° 17.1°
0.06 mm
08-07
33.0° 16.0°
0.62 mm
08-08
27.5° 18.2°
08-09
24.2° 17.7°
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Châtillon?
14
Arcueil
15
Paris Stade Lenglen, Paris
56
Paris Stade Lenglen, Paris
57
Paris Stade Lenglen, Paris
40
Place Victor Basch, Paris
16
Place Victor Basch, Paris
8
Vitry-sur-seine, Paris
33
Vitry-sur-seine, Paris
44
Paris
31
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 2026-08-08T01:02 UTC.