Air Quality in Marly-le-Roi, France

Clear
21.1°C · 28.4% humidity
21.1°
Feels 21.1°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 6am
12
15
45 9am
35
47
42 12pm
38
16
34 3pm
32
32
31 6pm
10
10
10 9pm
9
9
9 12am
9
9
29 3am
9
9
Station readings
10
12
15
CAMS model adj -25
34
34
34
34
34
54
54
54
34
54
54
54
54
34
34
34
34
34
34
34
34
54
34
34
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.

28.4%
Humidity
18.8 km/h
Wind E
1013.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
45
10.66 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.510.66 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
10.66
Median
11.42
Average
1.7
Low
46.5
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -3.6
07-22
29.1° 21.1°
07-23
23.8° 21.0°
07-24
25.2° 18.3°
5.75 mm
07-25
32.9° 14.0°
07-26
27.1° 14.9°
07-27
27.9° 17.9°
07-28
28.0° 17.5°
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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 2026-07-22T07:48 UTC.