What is the air quality in Marly-le-Roi today?

The current Air Quality Index (AQI) in Marly-le-Roi is 20 (Good). PM2.5 concentration is 4.92 µg/m³.

What is the temperature in Marly-le-Roi right now?

The current temperature in Marly-le-Roi is 16.2°C (feels like 16.2°C). Humidity is 35.5% and wind speed is 31.6 km/h.

Is it safe to go outside in Marly-le-Roi?

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

Air Quality in Marly-le-Roi, France

Clear

16.2°C · 35.5% humidity

16.2°

Feels 16.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 3 stn

View full history →

Marly-le-Roi'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.

35.5%

Humidity

31.6 km/h

Wind WSW

1022.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.92 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Marly-le-Roi?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations

PM2.54.92 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

4.92

Median

5.19

Average

1.53

Low

9.4

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +1.1

What is the 7-day forecast for Marly-le-Roi?

10-21

16.2° 10.0°

0.94 mm

10-22

20.1° 11.2°

0.62 mm

10-23

16.7° 9.9°

9.38 mm

10-24

13.4° 9.9°

0.13 mm

10-25

17.6° 10.2°

0.25 mm

10-26

15.3° 10.4°

0.25 mm

10-27

17.0° 7.8°

0.25 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Marly-le-Roi?

Paris Stade Lenglen, Paris

14.2 km PM2.5: 9.1 µg/m³

Paris Stade Lenglen, Paris

14.2 km PM2.5: 9.1 µg/m³

106

Paris Stade Lenglen, Paris

14.2 km PM2.5: 37.5 µg/m³

Avenue Des Champs Elysees, Paris

16.7 km PM2.5: 12.6 µg/m³

Avenue Des Champs Elysees, Paris

16.7 km PM2.5: 5.8 µg/m³

Avenue Des Champs Elysees, Paris

16.7 km PM2.5: 7.2 µg/m³

Gennevilliers, Paris

17.0 km PM2.5: 4.8 µg/m³

Boulevard Haussmann, Paris

18.0 km PM2.5: 11.0 µg/m³

Boulevard Haussmann, Paris

18.0 km PM2.5: 1.4 µg/m³

Paris 1er Les Halles, Paris

19.1 km PM2.5: 7.4 µg/m³

What cities are near Marly-le-Roi?

19 Le Pecq 22 Saint-Germain-en-Laye 22 Le Vésinet 20 La Celle-Saint-Cloud 17 Le Chesnay 22 Chatou 22 Montesson 21 Poissy 14 Saint-Cyr-l'École 20 Garches

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T12:27 UTC.