Air Quality in Orsay, France
Windy
27.7°C · 25.8% humidity
27.7°
Feels 27.7°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Orsay's air quality — share it
AQI Forecast
Calibrated
19
1am
12
16
13
4am
16
16
16
7am
16
9
9
10am
9
9
9
1pm
9
9
9
4pm
9
9
9
7pm
9
16
36
10pm
36
36
Station readings
19
12
CAMS model
adj -18
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
Air Quality Index Trend
46h · 4 stnOrsay'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▲
3.19 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Orsay?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.53.19 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (4 stations within 25 km)
3.19
Median
7.49
Average
1.83
Low
22.84
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +3.8
What is the 7-day forecast for Orsay?
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: 4.0°C
Where are air quality stations near Orsay?
12
rue de Gometz
14
Rn20 Montlhery, Paris
56
Paris Stade Lenglen, Paris
57
Paris Stade Lenglen, Paris
15
Paris Stade Lenglen, Paris
8
Vitry-sur-seine, Paris
33
Vitry-sur-seine, Paris
33
Vitry-sur-seine, Paris
10
Arcueil
20
Place Victor Basch, Paris
What cities are near Orsay?
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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 2026-08-08T02:06 UTC.