Air Quality in Châtillon, France
Clear
21.0°C · 26.8% humidity
21.0°
Feels 21.0°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
6
4am
10
13
18
7am
15
14
32
10am
31
31
30
1pm
30
30
29
4pm
29
29
29
7pm
9
9
9
10pm
9
9
9
1am
9
29
Station readings
6
10
13
CAMS model
adj -25
34
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
54
Air Quality Index Trend
47h · 3 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.
26.8%
Humidity
26.1 km/h
Wind ESE
1013.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.32 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Châtillon?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.54.32 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (12 stations within 25 km)
4.32
Median
6.84
Average
1.0
Low
34.9
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +3.0
What is the 7-day forecast for Châtillon?
07-22
29.8° 21.0°
07-23
24.3° 21.4°
0.13 mm
07-24
25.6° 19.3°
0.5 mm
07-25
34.3° 15.5°
07-26
29.7° 17.9°
0.13 mm
07-27
29.1° 19.0°
07-28
28.2° 17.1°
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Châtillon?
14
Arcueil
56
Paris Stade Lenglen, Paris
23
Paris Stade Lenglen, Paris
53
Paris Stade Lenglen, Paris
35
Place Victor Basch, Paris
44
Vitry-sur-seine, Paris
27
Vitry-sur-seine, Paris
42
Paris
30
Paris
4
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 2026-07-22T05:38 UTC.