Air Quality in Chilly-Mazarin, France

Clear
21.0°C · 26.8% humidity
21.0°
Feels 21.0°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 6am
12
15
12 9am
29
29
29 12pm
29
29
29 3pm
29
29
29 6pm
29
9
9 9pm
9
9
9 12am
9
9
29 3am
9
9
Station readings
10
12
15
CAMS model adj -25
34
34
34
34
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
54
34
34
AD 728×90

Air Quality Index Trend

47h · 3 stn

Chilly-Mazarin'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
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
2.95 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Chilly-Mazarin?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.52.95 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (4 stations within 25 km)
2.95
Median
2.67
Average
1.13
Low
3.93
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +4.4

What is the 7-day forecast for Chilly-Mazarin?

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 Chilly-Mazarin?

44
Vitry-sur-seine, Paris
8.1 km PM2.5: 10.6 µg/m³
30
Vitry-sur-seine, Paris
8.1 km PM2.5: 7.2 µg/m³
37
Rn20 Montlhery, Paris
8.9 km PM2.5: 8.9 µg/m³
19
Arcueil
10.7 km PM2.5: 4.6 µg/m³ PM10: 4.6 µg/m³
46
Place Victor Basch, Paris
12.6 km PM2.5: 11.0 µg/m³
20
rue de Gometz
13.0 km PM2.5: 4.7 µg/m³ PM10: 4.7 µg/m³
23
Paris Stade Lenglen, Paris
13.3 km PM2.5: 5.5 µg/m³
36
Paris Stade Lenglen, Paris
13.3 km PM2.5: 8.6 µg/m³
31
Paris Stade Lenglen, Paris
13.3 km PM2.5: 7.4 µg/m³
4
france-saint-maurice-rue-adrien-damalix
14.1 km 22.0°C 48.0% RH PM2.5: 0.9 µg/m³ PM10: 2.2 µg/m³

What cities are near Chilly-Mazarin?

12 Massy 12 Longjumeau 13 Antony 13 Fresnes 12 Savigny-sur-Orge 13 Palaiseau 13 Verrières-le-Buisson 11 Athis-Mons 13 Chevilly-Larue 12 Morsang-sur-Orge
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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 2026-07-22T07:32 UTC.