Air Quality in Marly-le-Roi, France

Windy
20.1°C · 37.7% humidity
20.1°
Feels 20.1°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 2pm
11
17
25 5pm
20
17
15 8pm
15
14
13 11pm
20
19
19 2am
19
18
18 5am
18
11
11 8am
11
11
11 11am
11
9
Station readings
14
11
17
CAMS model adj -16
34
24
24
24
24
24
25
27
27
27
34
34
34
34
34
34
34
27
27
27
27
27
27
25
AD 728×90

Air Quality Index Trend

47h · 3 stn

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.

37.7%
Humidity
58.1 km/h
Wind NE
1026.2 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.13 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.56.13 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (9 stations within 25 km)
6.13
Median
6.05
Average
0.99
Low
10.3
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.2

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

09-05
24.7° 12.7°
09-06
23.3° 16.3°
09-07
21.9° 14.1°
12.62 mm
09-08
24.2° 14.3°
2.44 mm
09-09
24.1° 12.9°
0.38 mm
09-10
24.0° 14.3°
09-11
21.2° 13.6°
0.5 mm
Both models agree Avg diff: 3.9°C

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

34
La Defense, Paris
11.8 km PM2.5: 8.2 µg/m³
33
La Defense, Paris
11.8 km PM2.5: 7.9 µg/m³
11
Paris Stade Lenglen, Paris
14.2 km PM2.5: 2.6 µg/m³
12
Paris Stade Lenglen, Paris
14.2 km PM2.5: 2.9 µg/m³
16
Paris Stade Lenglen, Paris
14.2 km PM2.5: 3.8 µg/m³
23
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 5.5 µg/m³
20
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 4.8 µg/m³
46
Gennevilliers, Paris
17.0 km PM2.5: 11.0 µg/m³
29
Gennevilliers, Paris
17.0 km PM2.5: 7.0 µg/m³
41
Place Victor Basch, Paris
18.3 km PM2.5: 9.8 µg/m³

What cities are near Marly-le-Roi?

27 Le Pecq 27 Saint-Germain-en-Laye 28 Le Vésinet 25 La Celle-Saint-Cloud 22 Le Chesnay 28 Chatou 28 Montesson 30 Poissy 20 Saint-Cyr-l'École 24 Garches
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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 2026-09-05T15:10 UTC.