Air Quality in Orsay, France

Partly Cloudy
11.8°C · 69.8% humidity
11.8°
Feels 11.8°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 1am
4
5
11 4am
9
8
7 7am
7
6
6 10am
6
5
5 1pm
5
5
5 4pm
7
5
5 7pm
5
5
5 10pm
5
5
Station readings
4
4
5
CAMS model adj -20
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

Orsay'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.

69.8%
Humidity
25.4 km/h
Wind NW
1022.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
11
2.57 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Orsay?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.52.57 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
2.57
Median
6.66
Average
0.5
Low
12.6
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.3

What is the 7-day forecast for Orsay?

06-09
24.4° 11.8°
0.81 mm
06-10
24.9° 14.2°
3.62 mm
06-11
28.4° 18.7°
0.25 mm
06-12
24.8° 11.5°
06-13
27.9° 11.3°
0.88 mm
06-14
25.8° 14.0°
1.25 mm
06-15
19.0° 13.1°
1.56 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Orsay?

5
rue de Gometz
3.3 km PM2.5: 1.2 µg/m³ PM10: 1.3 µg/m³
38
Rn20 Montlhery, Paris
8.5 km PM2.5: 9.1 µg/m³
33
Paris Stade Lenglen, Paris
16.1 km PM2.5: 7.9 µg/m³
47
Paris Stade Lenglen, Paris
16.1 km PM2.5: 11.3 µg/m³
21
Paris Stade Lenglen, Paris
16.1 km PM2.5: 5.0 µg/m³
41
Vitry-sur-seine, Paris
16.4 km PM2.5: 9.8 µg/m³
44
Vitry-sur-seine, Paris
16.4 km PM2.5: 10.6 µg/m³
5
Arcueil
16.7 km PM2.5: 1.2 µg/m³ PM10: 1.2 µg/m³
23
Place Victor Basch, Paris
17.9 km PM2.5: 5.5 µg/m³
28
Avenue Des Champs Elysees, Paris
21.3 km PM2.5: 6.7 µg/m³

What cities are near Orsay?

7 Les Ulis 5 Gif-sur-Yvette 25 Palaiseau 28 Massy 29 Longjumeau 28 Verrières-le-Buisson 24 Vélizy-Villacoublay 27 Châtenay-Malabry 31 Chilly-Mazarin 31 Antony
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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 2026-06-09T02:03 UTC.