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

Cloudy
9.4°C · 76.7% humidity
9.4°
Feels 5.9°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
5 12am
4
4
10 3am
9
8
7 6am
6
6
6 9am
5
5
5 12pm
5
5
5 3pm
5
7
5 6pm
5
5
5 9pm
5
5
Station readings
6
4
4
5
CAMS model adj -20
25
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

48h · 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.

76.7%
Humidity
28.1 km/h
Wind NW
1022.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
10
2.42 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.52.42 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
2.42
Median
3.09
Average
0.5
Low
7.7
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.5

What is the 7-day forecast for Saint-Quentin-en-Yvelines?

06-09
24.0° 9.4°
0.62 mm
06-10
24.0° 13.0°
4.69 mm
06-11
27.9° 17.0°
0.38 mm
06-12
23.7° 10.2°
06-13
27.4° 9.6°
0.88 mm
06-14
24.7° 11.5°
2.75 mm
06-15
17.5° 11.8°
3.38 mm
Both models agree Avg diff: 4.1°C

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

5
rue de Gometz
13.2 km PM2.5: 1.2 µg/m³ PM10: 1.3 µg/m³
47
Paris Stade Lenglen, Paris
19.5 km PM2.5: 11.3 µg/m³
33
Paris Stade Lenglen, Paris
19.5 km PM2.5: 7.9 µg/m³
21
Paris Stade Lenglen, Paris
19.5 km PM2.5: 5.0 µg/m³
30
Rambouillet, Paris
20.7 km PM2.5: 7.2 µg/m³
70
Rambouillet, Paris
20.7 km PM2.5: 21.1 µg/m³
55
La Defense, Paris
21.0 km PM2.5: 14.0 µg/m³
17
La Defense, Paris
21.0 km PM2.5: 4.1 µg/m³
23
Place Victor Basch, Paris
23.4 km PM2.5: 5.5 µg/m³
38
Rn20 Montlhery, Paris
23.4 km PM2.5: 9.1 µg/m³

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

10 Trappes 10 Montigny-le-Bretonneux 20 Guyancourt 22 Saint-Cyr-l'École 8 Élancourt 6 Les Clayes-sous-Bois 9 Maurepas 8 Plaisir 24 Versailles 25 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 2026-06-09T01:42 UTC.