Air Quality in Chilly-Mazarin, France

Windy
27.7°C · 25.8% humidity
27.7°
Feels 27.7°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 1am
13
3
21 4am
16
9
7 7am
5
3
2 10am
2
1
1 1pm
1
0
0 4pm
0
0
0 7pm
0
3
23 10pm
23
23
Station readings
17
13
CAMS model adj -31
54
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
AD 728×90

Air Quality Index Trend

46h · 4 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.

25.8%
Humidity
52.9 km/h
Wind W
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.04 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chilly-Mazarin?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.55.04 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
5.04
Median
7.49
Average
1.83
Low
22.84
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +4.6

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

08-03
37.3° 19.1°
1.25 mm
08-04
28.8° 19.1°
0.19 mm
08-05
33.6° 21.4°
08-06
33.6° 17.1°
0.06 mm
08-07
33.0° 16.0°
0.62 mm
08-08
27.5° 18.2°
08-09
24.2° 17.7°
Both models agree Avg diff: 3.8°C

Where are air quality stations near Chilly-Mazarin?

8
Vitry-sur-seine, Paris
8.1 km PM2.5: 1.9 µg/m³
33
Vitry-sur-seine, Paris
8.1 km PM2.5: 7.9 µg/m³
33
Vitry-sur-seine, Paris
8.1 km PM2.5: 7.9 µg/m³
14
Rn20 Montlhery, Paris
8.9 km PM2.5: 3.4 µg/m³
10
Arcueil
10.7 km PM2.5: 2.3 µg/m³ PM10: 3.5 µg/m³
20
Place Victor Basch, Paris
12.6 km PM2.5: 4.8 µg/m³
40
Place Victor Basch, Paris
12.6 km PM2.5: 9.6 µg/m³
12
rue de Gometz
13.0 km PM2.5: 3.0 µg/m³ PM10: 3.2 µg/m³
56
Paris Stade Lenglen, Paris
13.3 km PM2.5: 14.5 µg/m³
57
Paris Stade Lenglen, Paris
13.3 km PM2.5: 15.0 µg/m³

What cities are near Chilly-Mazarin?

21 Massy 20 Longjumeau 20 Antony 20 Fresnes 22 Savigny-sur-Orge 19 Palaiseau 21 Verrières-le-Buisson 22 Athis-Mons 18 Chevilly-Larue 22 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 2026-08-08T02:10 UTC.