Air Quality in Marly-le-Roi, France

Cloudy
12.3°C · 85.2% humidity
12.3°
Feels 12.3°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
59 11pm
68
58
48 2am
50
50
50 5am
50
50
50 8am
50
50
57 11am
77
77
77 2pm
57
57
57 5pm
57
57
57 8pm
50
50
Station readings
59
68
58
CAMS model adj +23
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
34
34
34
34
34
34
27
27
AD 728×90

Air Quality Index Trend

47h · 2 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.

85.2%
Humidity
2.5 km/h
Wind SW
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.63 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.511.63 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
11.63
Median
12.44
Average
6.5
Low
18.3
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -1.6

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

05-30
18.2° 12.3°
3.06 mm
05-31
26.2° 13.4°
06-01
25.9° 11.7°
06-02
19.0° 12.5°
6.81 mm
06-03
18.4° 11.9°
06-04
21.4° 18.0°
16.38 mm
06-05
17.8° 9.4°
1.19 mm
Both models agree Avg diff: 3.5°C

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

55
La Defense, Paris
11.8 km PM2.5: 14.0 µg/m³
51
La Defense, Paris
11.8 km PM2.5: 12.1 µg/m³
2
Paris Stade Lenglen, Paris
14.2 km PM2.5: 0.5 µg/m³
53
Paris Stade Lenglen, Paris
14.2 km PM2.5: 13.1 µg/m³
7
Paris Stade Lenglen, Paris
14.2 km PM2.5: 1.7 µg/m³
38
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 9.1 µg/m³
160
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 72.9 µg/m³
127
Gennevilliers, Paris
17.0 km PM2.5: 46.1 µg/m³
10
Gennevilliers, Paris
17.0 km PM2.5: 2.4 µg/m³
63
Gennevilliers, Paris
17.0 km PM2.5: 17.8 µg/m³

What cities are near Marly-le-Roi?

52 Le Pecq 48 Saint-Germain-en-Laye 52 Le Vésinet 49 La Celle-Saint-Cloud 51 Le Chesnay 51 Chatou 52 Montesson 45 Poissy 51 Saint-Cyr-l'École 45 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 2026-05-30T00:07 UTC.