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

Windy
19.9°C · 36.9% humidity
19.9°
Feels 19.9°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
7 3pm
10
12
18 6pm
14
13
13 9pm
11
10
17 12am
16
16
16 3am
15
15
15 6am
8
8
8 9am
8
8
8 12pm
6
6
Station readings
7
10
12
CAMS model adj -19
24
24
24
24
24
25
27
27
27
34
34
34
34
34
34
34
27
27
27
27
27
27
25
25
AD 728×90

Air Quality Index Trend

47h · 4 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.

36.9%
Humidity
40.6 km/h
Wind NE
1025.8 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.15 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.54.15 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (5 stations within 25 km)
4.15
Median
4.72
Average
1.31
Low
8.6
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.8

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

09-05
24.9° 13.0°
0.25 mm
09-06
23.4° 15.8°
0.13 mm
09-07
22.1° 13.2°
12.06 mm
09-08
24.2° 14.3°
3.13 mm
09-09
25.7° 12.1°
0.31 mm
09-10
25.0° 13.9°
09-11
20.8° 13.6°
0.81 mm
Both models agree Avg diff: 4.1°C

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

8
rue de Gometz
13.2 km PM2.5: 2.0 µg/m³ PM10: 2.5 µg/m³
36
Paris Stade Lenglen, Paris
19.5 km PM2.5: 8.6 µg/m³
11
Paris Stade Lenglen, Paris
19.5 km PM2.5: 2.6 µg/m³
12
Paris Stade Lenglen, Paris
19.5 km PM2.5: 2.9 µg/m³
35
Rambouillet, Paris
20.7 km PM2.5: 8.4 µg/m³
33
La Defense, Paris
21.0 km PM2.5: 7.9 µg/m³
21
Place Victor Basch, Paris
23.4 km PM2.5: 5.0 µg/m³
34
Rn20 Montlhery, Paris
23.4 km PM2.5: 8.2 µg/m³
53
Rn20 Montlhery, Paris
23.4 km PM2.5: 13.1 µg/m³
15
Rn20 Montlhery, Paris
23.4 km PM2.5: 3.6 µg/m³

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

18 Trappes 17 Montigny-le-Bretonneux 21 Guyancourt 23 Saint-Cyr-l'École 23 Élancourt 23 Les Clayes-sous-Bois 22 Maurepas 24 Plaisir 25 Versailles 26 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 2026-09-05T16:43 UTC.