Air Quality in Chilly-Mazarin, France

Cloudy
13.0°C · 80.8% humidity
13.0°
Feels 13.0°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
45 9pm
58
59
55 12am
49
45
42 3am
40
38
37 6am
36
35
35 9am
35
42
61 12pm
61
61
61 3pm
61
61
41 6pm
41
41
Station readings
45
58
59
70
CAMS model adj +7
54
34
34
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
54
54
54
34
34
34
AD 728×90

Air Quality Index Trend

48h · 2 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.

80.8%
Humidity
10.0 km/h
Wind SW
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
14.12 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Chilly-Mazarin?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.514.12 µg/m³ ✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
14.12
Median
14.32
Average
6.7
Low
18.83
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -4.1

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

05-29
23.7° 14.0°
0.38 mm
05-30
19.0° 13.0°
2.81 mm
05-31
26.0° 14.4°
06-01
26.6° 13.2°
0.19 mm
06-02
18.8° 12.2°
10.06 mm
06-03
19.5° 13.7°
06-04
21.7° 18.4°
19.0 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Chilly-Mazarin?

11
Vitry-sur-seine, Paris
8.1 km PM2.5: 2.6 µg/m³
63
Vitry-sur-seine, Paris
8.1 km PM2.5: 17.8 µg/m³
31
Rn20 Montlhery, Paris
8.9 km PM2.5: 7.4 µg/m³
5
Arcueil
10.7 km PM2.5: 1.2 µg/m³ PM10: 1.2 µg/m³
31
Place Victor Basch, Paris
12.6 km PM2.5: 7.4 µg/m³
59
rue de Gometz
13.0 km PM2.5: 15.7 µg/m³ PM10: 15.7 µg/m³
2
Paris Stade Lenglen, Paris
13.3 km PM2.5: 0.5 µg/m³
53
Paris Stade Lenglen, Paris
13.3 km PM2.5: 13.1 µg/m³
7
Paris Stade Lenglen, Paris
13.3 km PM2.5: 1.7 µg/m³
83
france-saint-maurice-rue-adrien-damalix
14.1 km 32.0°C 39.0% RH PM2.5: 27.1 µg/m³ PM10: 30.7 µg/m³

What cities are near Chilly-Mazarin?

54 Massy 56 Longjumeau 52 Antony 54 Fresnes 56 Savigny-sur-Orge 56 Palaiseau 53 Verrières-le-Buisson 57 Athis-Mons 56 Chevilly-Larue 56 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 2026-05-29T22:26 UTC.