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.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 5am
13
15
18 8am
16
35
34 11am
33
32
32 2pm
32
31
31 5pm
31
31
11 8pm
11
11
11 11pm
11
11
11 2am
31
11
Station readings
10
13
15
18
CAMS model adj -23
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
54
34
AD 728×90

Air Quality Index Trend

48h · 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
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.42 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Châtillon?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.54.42 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (11 stations within 25 km)
4.42
Median
4.17
Average
1.13
Low
7.7
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.9

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?

19
Arcueil
3.1 km PM2.5: 4.6 µg/m³ PM10: 4.6 µg/m³
36
Paris Stade Lenglen, Paris
3.6 km PM2.5: 8.6 µg/m³
23
Paris Stade Lenglen, Paris
3.6 km PM2.5: 5.5 µg/m³
31
Paris Stade Lenglen, Paris
3.6 km PM2.5: 7.4 µg/m³
46
Place Victor Basch, Paris
3.7 km PM2.5: 11.0 µg/m³
44
Vitry-sur-seine, Paris
6.7 km PM2.5: 10.6 µg/m³
30
Vitry-sur-seine, Paris
6.7 km PM2.5: 7.2 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?

18 Fontenay-aux-Roses 18 Bagneux 19 Clamart 20 Malakoff 19 Montrouge 18 Le Plessis-Robinson 20 Vanves 19 Issy-les-Moulineaux 17 Arcueil 18 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 2026-07-22T06:43 UTC.