Air Quality in Marly-le-Roi, France

Cloudy
10.8°C · 75.6% humidity
10.8°
Feels 10.8°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 2am
5
5
18 5am
14
12
10 8am
8
7
7 11am
6
6
6 2pm
5
5
7 5pm
5
5
5 8pm
5
5
5 11pm
5
5
Station readings
4
5
5
CAMS model adj -20
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 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.

75.6%
Humidity
19.2 km/h
Wind W
1023.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

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

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

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.54.4 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
4.4
Median
4.56
Average
0.7
Low
10.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.5

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

06-09
23.3° 9.4°
1.19 mm
06-10
24.6° 13.1°
6.38 mm
06-11
27.3° 16.8°
0.88 mm
06-12
22.8° 10.5°
0.06 mm
06-13
26.5° 8.7°
0.94 mm
06-14
24.7° 12.1°
2.06 mm
06-15
17.4° 10.2°
3.31 mm
Both models agree Avg diff: 4.0°C

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

17
La Defense, Paris
11.8 km PM2.5: 4.1 µg/m³
55
La Defense, Paris
11.8 km PM2.5: 14.0 µg/m³
21
Paris Stade Lenglen, Paris
14.2 km PM2.5: 5.0 µg/m³
33
Paris Stade Lenglen, Paris
14.2 km PM2.5: 7.9 µg/m³
47
Paris Stade Lenglen, Paris
14.2 km PM2.5: 11.3 µg/m³
28
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 6.7 µg/m³
21
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 5.0 µg/m³
22
Gennevilliers, Paris
17.0 km PM2.5: 5.3 µg/m³
124
Gennevilliers, Paris
17.0 km PM2.5: 44.8 µg/m³
109
Gennevilliers, Paris
17.0 km PM2.5: 38.7 µg/m³

What cities are near Marly-le-Roi?

18 Le Pecq 18 Saint-Germain-en-Laye 17 Le Vésinet 19 La Celle-Saint-Cloud 20 Le Chesnay 15 Chatou 16 Montesson 20 Poissy 18 Saint-Cyr-l'École 21 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 2026-06-09T03:04 UTC.