Air Quality in Montesson, France

Clear
20.6°C · 30.5% humidity
20.6°
Feels 20.6°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
8 5am
10
12
18 8am
15
14
32 11am
31
31
10 2pm
30
30
29 5pm
29
9
9 8pm
9
9
9 11pm
9
9
9 2am
29
9
Station readings
8
10
12
15
CAMS model adj -25
34
34
34
34
34
34
54
54
54
34
54
54
54
54
34
34
34
34
34
34
34
34
54
34
AD 728×90

Air Quality Index Trend

48h · 3 stn

Montesson'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.

30.5%
Humidity
21.7 km/h
Wind ESE
1013.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.37 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Montesson?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.54.37 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (10 stations within 25 km)
4.37
Median
4.42
Average
1.13
Low
7.7
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +3.0

What is the 7-day forecast for Montesson?

07-22
29.1° 20.6°
07-23
24.1° 21.0°
07-24
25.6° 18.5°
4.69 mm
07-25
33.4° 14.0°
07-26
28.3° 15.5°
0.13 mm
07-27
28.5° 19.2°
07-28
28.0° 17.0°
Both models agree Avg diff: 2.8°C

Where are air quality stations near Montesson?

56
La Defense, Paris
7.8 km PM2.5: 14.5 µg/m³
56
La Defense, Paris
7.8 km PM2.5: 14.5 µg/m³
12
Gennevilliers, Paris
11.7 km PM2.5: 2.9 µg/m³
27
Gennevilliers, Paris
11.7 km PM2.5: 6.5 µg/m³
35
Gennevilliers, Paris
11.7 km PM2.5: 8.4 µg/m³
53
Gennevilliers, Paris
11.7 km PM2.5: 13.1 µg/m³
23
Paris Stade Lenglen, Paris
13.1 km PM2.5: 5.5 µg/m³
31
Paris Stade Lenglen, Paris
13.1 km PM2.5: 7.4 µg/m³
36
Paris Stade Lenglen, Paris
13.1 km PM2.5: 8.6 µg/m³
9
Avenue Des Champs Elysees, Paris
13.5 km PM2.5: 2.2 µg/m³

What cities are near Montesson?

18 Le Vésinet 18 Chatou 18 Le Pecq 18 Saint-Germain-en-Laye 18 Houilles 18 Maisons-Laffitte 18 Rueil-Malmaison 18 Nanterre 17 Bezons 17 Sartrouville
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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 2026-07-22T06:43 UTC.