Air Quality in Orsay, France

Cloudy
13.0°C · 80.8% humidity
13.0°
Feels 13.0°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
35 8pm
52
64
57 11pm
53
50
48 2am
47
46
45 5am
44
44
44 8am
43
43
50 11am
70
70
70 2pm
50
50
50 5pm
50
50
Station readings
35
52
64
57
CAMS model adj +16
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
34
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 2 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.

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▲
57
14.97 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Orsay?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.514.97 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
14.97
Median
12.17
Average
9.1
Low
15.42
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -5.0

What is the 7-day forecast for Orsay?

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: 2.9°C

Where are air quality stations near Orsay?

57
rue de Gometz
3.3 km PM2.5: 14.9 µg/m³ PM10: 15.0 µg/m³
31
Rn20 Montlhery, Paris
8.5 km PM2.5: 7.4 µg/m³
53
Paris Stade Lenglen, Paris
16.1 km PM2.5: 13.1 µg/m³
7
Paris Stade Lenglen, Paris
16.1 km PM2.5: 1.7 µg/m³
2
Paris Stade Lenglen, Paris
16.1 km PM2.5: 0.5 µg/m³
63
Vitry-sur-seine, Paris
16.4 km PM2.5: 17.8 µg/m³
11
Vitry-sur-seine, Paris
16.4 km PM2.5: 2.6 µg/m³
5
Arcueil
16.7 km PM2.5: 1.2 µg/m³ PM10: 1.2 µg/m³
31
Place Victor Basch, Paris
17.9 km PM2.5: 7.4 µg/m³
43
Avenue Des Champs Elysees, Paris
21.3 km PM2.5: 10.3 µg/m³

What cities are near Orsay?

58 Les Ulis 58 Gif-sur-Yvette 53 Palaiseau 53 Massy 53 Longjumeau 52 Verrières-le-Buisson 50 Vélizy-Villacoublay 51 Châtenay-Malabry 53 Chilly-Mazarin 52 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 2026-05-29T21:38 UTC.