Air Quality in Boissy-Saint-Léger, France

Cloudy
11.8°C · 70.2% humidity
11.8°
Feels 11.8°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
0 12am
0
0
20 3am
18
13
9 6am
7
5
3 9am
2
2
1 12pm
1
1
0 3pm
0
0
0 6pm
0
0
0 9pm
0
0
Station readings 13h ago
AQI 5
PM2.5 1.3 µg/m³ · 13h ago
CAMS model adj -30
25
25
25
25
25
25
25
25
25
27
27
25
25
25
25
27
27
27
25
25
25
25
25
27
AD 728×90

Air Quality Index Trend

18h · 1 stn

Boissy-Saint-Léger'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.

70.2%
Humidity
21.0 km/h
Wind NNW
1022.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Boissy-Saint-Léger?

Temperature & Precipitation

PM2.5 Trend

18h · 1 station
PM2.54.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
4.8
Median
4.8
Average
4.8
Low
4.8
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.1

What is the 7-day forecast for Boissy-Saint-Léger?

06-09
24.5° 11.8°
0.44 mm
06-10
24.2° 14.3°
3.13 mm
06-11
28.5° 18.3°
0.31 mm
06-12
25.2° 12.0°
06-13
27.7° 10.8°
1.19 mm
06-14
25.5° 14.1°
1.25 mm
06-15
19.8° 12.7°
1.69 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Boissy-Saint-Léger?

37
Nogent-sur-marne, Paris
10.1 km PM2.5: 8.9 µg/m³
–
france-saint-maurice-rue-adrien-damalix
10.1 km 18.0°C 51.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
44
Vitry-sur-seine, Paris
10.3 km PM2.5: 10.6 µg/m³
41
Vitry-sur-seine, Paris
10.3 km PM2.5: 9.8 µg/m³
58
Boulevard Peripherique Est, Paris
12.1 km PM2.5: 15.4 µg/m³
55
Lognes, Paris
13.4 km PM2.5: 14.0 µg/m³
13
Lognes, Paris
13.4 km PM2.5: 3.1 µg/m³
5
Arcueil
14.6 km PM2.5: 1.2 µg/m³ PM10: 1.2 µg/m³
23
Place Victor Basch, Paris
16.0 km PM2.5: 5.5 µg/m³
105
Paris
16.5 km PM2.5: 37.1 µg/m³

What cities are near Boissy-Saint-Léger?

22 Limeil-Brévannes 20 Sucy-en-Brie 22 Bonneuil-sur-Marne 25 Yerres 22 Saint-Maur-des-Fossés 16 Villeneuve-Saint-Georges 22 Chennevières-sur-Marne 22 Créteil 25 Brunoy 5 Montgeron
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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 2026-06-09T01:06 UTC.