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
AD 728×90

Air Quality Index Trend

47h · 3 stn

Châtillon'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▲
18
4.32 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Châtillon?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.54.32 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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
3.1 km PM2.5: 3.4 µg/m³ PM10: 3.4 µg/m³
56
Paris Stade Lenglen, Paris
3.6 km PM2.5: 14.5 µg/m³
23
Paris Stade Lenglen, Paris
3.6 km PM2.5: 5.5 µg/m³
53
Paris Stade Lenglen, Paris
3.6 km PM2.5: 13.1 µg/m³
35
Place Victor Basch, Paris
3.7 km PM2.5: 8.4 µg/m³
44
Vitry-sur-seine, Paris
6.7 km PM2.5: 10.6 µg/m³
27
Vitry-sur-seine, Paris
6.7 km PM2.5: 6.5 µg/m³
42
Paris
7.4 km PM2.5: 10.1 µg/m³
30
Paris
7.4 km PM2.5: 7.2 µg/m³
4
Paris
7.4 km PM2.5: 1.0 µg/m³

What cities are near Châtillon?

19 Fontenay-aux-Roses 17 Bagneux 21 Clamart 17 Malakoff 15 Montrouge 20 Le Plessis-Robinson 19 Vanves 20 Issy-les-Moulineaux 15 Arcueil 20 Sceaux
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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.