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

Cloudy
9.4°C · 76.7% humidity
9.4°
Feels 5.9°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 10pm
4
4
11 1am
9
8
7 4am
6
6
5 7am
5
5
4 10am
4
4
4 1pm
4
4
4 4pm
6
4
4 7pm
4
4
Station readings
4
4
6
4
CAMS model adj -21
25
25
25
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
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
11
2.73 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
PM2.52.73 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
2.73
Median
4.42
Average
1.13
Low
7.7
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.1

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

06-08
23.3° 13.0°
0.5 mm
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
Both models agree Avg diff: 4.1°C

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

4
rue de Gometz
13.2 km PM2.5: 0.9 µg/m³ PM10: 1.8 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
12
La Defense, Paris
21.0 km PM2.5: 2.9 µg/m³
25
Place Victor Basch, Paris
23.4 km PM2.5: 6.0 µg/m³
38
Rn20 Montlhery, Paris
23.4 km PM2.5: 9.1 µg/m³

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

12 Trappes 11 Montigny-le-Bretonneux 12 Guyancourt 15 Saint-Cyr-l'École 5 Élancourt 15 Les Clayes-sous-Bois 5 Maurepas 5 Plaisir 16 Versailles 18 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 2026-06-08T23:27 UTC.