What is the air quality in Saint-Quentin-en-Yvelines today?

The current Air Quality Index (AQI) in Saint-Quentin-en-Yvelines is 15 (Good). PM2.5 concentration is 3.61 µg/m³.

What is the temperature in Saint-Quentin-en-Yvelines right now?

The current temperature in Saint-Quentin-en-Yvelines is 16.3°C (feels like 16.3°C). Humidity is 34.6% and wind speed is 29.1 km/h.

Is it safe to go outside in Saint-Quentin-en-Yvelines?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

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

Clear

16.3°C · 34.6% humidity

16.3°

Feels 16.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 4 stn

View full history →

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.

34.6%

Humidity

29.1 km/h

Wind WSW

1022.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.61 µg/m³

PM10

13.7 µg/m³

050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations

PM2.53.61 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (4 stations within 25 km)

3.61

Median

4.26

Average

1.53

Low

8.6

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +2.4

Both models agree Avg diff: 3.2°C

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

rue de Gometz

13.2 km PM2.5: 1.7 µg/m³ PM10: 2.4 µg/m³

Paris Stade Lenglen, Paris

19.5 km PM2.5: 9.1 µg/m³

106

Paris Stade Lenglen, Paris

19.5 km PM2.5: 37.5 µg/m³

Paris Stade Lenglen, Paris

19.5 km PM2.5: 9.1 µg/m³

Rambouillet, Paris

20.7 km PM2.5: 8.6 µg/m³

Rambouillet, Paris

20.7 km PM2.5: 5.0 µg/m³

Rn20 Montlhery, Paris

23.4 km PM2.5: 4.8 µg/m³

Rn20 Montlhery, Paris

23.4 km PM2.5: 3.1 µg/m³

Rn20 Montlhery, Paris

23.4 km PM2.5: 20.7 µg/m³

Arcueil

23.5 km PM2.5: 0.7 µg/m³ PM10: 1.8 µg/m³

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

15 Trappes 14 Montigny-le-Bretonneux 15 Guyancourt 14 Saint-Cyr-l'École 20 Élancourt 19 Les Clayes-sous-Bois 22 Maurepas 20 Plaisir 16 Versailles 17 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 2026-10-21T12:33 UTC.