Air Quality in Marly-le-Roi, France

Windy
26.7°C · 29.8% humidity
26.7°
Feels 26.7°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 7am
18
21
39 10am
32
27
24 1pm
21
20
18 4pm
17
17
16 7pm
16
23
42 10pm
42
42
42 1am
42
42
42 4am
22
22
Station readings
19
18
21
CAMS model adj -12
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
54
54
54
54
34
34
AD 728×90

Air Quality Index Trend

47h · 4 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.

29.8%
Humidity
67.9 km/h
Wind W
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
39
9.41 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.59.41 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
9.41
Median
9.38
Average
2.42
Low
22.84
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -2.4

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

08-03
38.8° 17.9°
2.12 mm
08-04
27.0° 17.0°
0.06 mm
08-05
28.7° 19.3°
08-06
31.7° 17.1°
0.06 mm
08-07
33.4° 14.6°
1.63 mm
08-08
26.3° 17.2°
08-09
22.5° 15.0°
Both models agree Avg diff: 3.9°C

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

38
La Defense, Paris
11.8 km PM2.5: 9.1 µg/m³
152
La Defense, Paris
11.8 km PM2.5: 57.4 µg/m³
11
Paris Stade Lenglen, Paris
14.2 km PM2.5: 2.6 µg/m³
57
Paris Stade Lenglen, Paris
14.2 km PM2.5: 15.0 µg/m³
56
Paris Stade Lenglen, Paris
14.2 km PM2.5: 14.5 µg/m³
173
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 98.1 µg/m³
23
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 5.5 µg/m³
54
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 13.5 µg/m³
66
Avenue Des Champs Elysees, Paris
16.7 km PM2.5: 19.2 µg/m³
54
Gennevilliers, Paris
17.0 km PM2.5: 13.5 µg/m³

What cities are near Marly-le-Roi?

38 Le Pecq 43 Saint-Germain-en-Laye 39 Le Vésinet 35 La Celle-Saint-Cloud 29 Le Chesnay 41 Chatou 41 Montesson 54 Poissy 28 Saint-Cyr-l'École 35 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 2026-08-08T08:23 UTC.