Air Quality in Saint-Quentin-en-Yvelines, France

Cloudy
11.2°C · 89.5% humidity
11.2°
Feels 11.2°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
55 12am
55
55
44 3am
47
49
51 6am
52
53
54 9am
54
61
81 12pm
82
82
62 3pm
62
62
62 6pm
62
62
55 9pm
55
53
Station readings
59
54
59
CAMS model adj +28
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
34
34
34
34
34
34
27
27
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

Saint-Quentin-en-Yvelines'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.

89.5%
Humidity
10.5 km/h
Wind SW
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
44
10.46 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Saint-Quentin-en-Yvelines?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.510.46 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
10.46
Median
9.35
Average
2.2
Low
15.05
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -0.5
Both models agree Avg diff: 3.3°C

Where are air quality stations near Saint-Quentin-en-Yvelines?

59
rue de Gometz
13.2 km PM2.5: 16.0 µg/m³ PM10: 16.4 µg/m³
7
Paris Stade Lenglen, Paris
19.5 km PM2.5: 1.7 µg/m³
53
Paris Stade Lenglen, Paris
19.5 km PM2.5: 13.1 µg/m³
2
Paris Stade Lenglen, Paris
19.5 km PM2.5: 0.5 µg/m³
55
Rambouillet, Paris
20.7 km PM2.5: 14.0 µg/m³
7
Rambouillet, Paris
20.7 km PM2.5: 1.7 µg/m³
51
La Defense, Paris
21.0 km PM2.5: 12.1 µg/m³
55
La Defense, Paris
21.0 km PM2.5: 14.0 µg/m³
44
Place Victor Basch, Paris
23.4 km PM2.5: 10.6 µg/m³
31
Rn20 Montlhery, Paris
23.4 km PM2.5: 7.4 µg/m³

What cities are near Saint-Quentin-en-Yvelines?

43 Trappes 44 Montigny-le-Bretonneux 48 Guyancourt 46 Saint-Cyr-l'École 47 Élancourt 40 Les Clayes-sous-Bois 53 Maurepas 45 Plaisir 45 Versailles 44 Le Chesnay
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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 2026-05-30T01:05 UTC.