Air Quality in Châtillon, France
Windy
21.0°C · 34.1% humidity
21.0°
Feels 21.0°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Châtillon's air quality — share it
AQI Forecast
Calibrated
10
2pm
7
1
9
5pm
7
6
5
8pm
6
13
12
11pm
12
12
11
2am
11
4
4
5am
4
4
4
8am
4
4
4
11am
4
2
Station readings
10
7
CAMS model
adj -23
34
25
24
24
24
25
25
27
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
25
Air Quality Index Trend
46h · 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.
34.1%
Humidity
43.2 km/h
Wind ENE
1025.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.09 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Châtillon?
Temperature & Precipitation
PM2.5 Trend
46h · 3 stationsPM2.52.09 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (3 stations within 25 km)
2.09
Median
2.97
Average
0.98
Low
6.25
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +4.1
What is the 7-day forecast for Châtillon?
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 Châtillon?
6
Arcueil
12
Paris Stade Lenglen, Paris
60
Paris Stade Lenglen, Paris
16
Paris Stade Lenglen, Paris
27
Place Victor Basch, Paris
41
Place Victor Basch, Paris
36
Vitry-sur-seine, Paris
45
Paris
18
Paris
58
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 2026-09-05T15:05 UTC.