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

Windy
26.8°C · 28.8% humidity
26.8°
Feels 26.8°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 1am
15
19
12 4am
14
15
16 7am
16
10
10 10am
10
11
11 1pm
11
11
11 4pm
11
11
11 7pm
11
18
38 10pm
38
38
Station readings
20
15
19
CAMS model adj -16
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
AD 728×90

Air Quality Index Trend

47h · 3 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.

28.8%
Humidity
57.3 km/h
Wind W
1013.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
2.77 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 · 3 stations
PM2.52.77 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
2.77
Median
2.65
Average
2.42
Low
2.88
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +4.2

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

08-03
37.4° 17.6°
1.44 mm
08-04
26.6° 18.6°
0.25 mm
08-05
32.6° 20.6°
08-06
32.3° 16.4°
0.13 mm
08-07
32.6° 14.2°
1.13 mm
08-08
26.2° 16.7°
08-09
23.4° 14.6°
Both models agree Avg diff: 4.2°C

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

20
rue de Gometz
13.2 km PM2.5: 4.9 µg/m³ PM10: 4.9 µg/m³
56
Paris Stade Lenglen, Paris
19.5 km PM2.5: 14.5 µg/m³
13
Paris Stade Lenglen, Paris
19.5 km PM2.5: 3.1 µg/m³
57
Paris Stade Lenglen, Paris
19.5 km PM2.5: 15.0 µg/m³
15
Paris Stade Lenglen, Paris
19.5 km PM2.5: 3.6 µg/m³
32
Rambouillet, Paris
20.7 km PM2.5: 7.7 µg/m³
51
Rambouillet, Paris
20.7 km PM2.5: 12.1 µg/m³
34
Rambouillet, Paris
20.7 km PM2.5: 8.2 µg/m³
152
La Defense, Paris
21.0 km PM2.5: 57.4 µg/m³
34
La Defense, Paris
21.0 km PM2.5: 8.2 µg/m³

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

12 Trappes 12 Montigny-le-Bretonneux 23 Guyancourt 28 Saint-Cyr-l'École 12 Élancourt 12 Les Clayes-sous-Bois 12 Maurepas 12 Plaisir 27 Versailles 29 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 2026-08-08T02:15 UTC.