Air Quality in Poissy, France

Clear
21.1°C · 28.4% humidity
21.1°
Feels 21.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 4am
9
9
38 7am
30
24
20 10am
37
34
33 1pm
12
31
30 4pm
30
30
10 7pm
9
9
9 10pm
9
9
9 1am
9
29
Station readings
7
10
14
CAMS model adj -25
34
34
34
34
34
34
34
54
54
54
34
54
54
54
54
34
34
34
34
34
34
34
34
54
AD 728×90

Air Quality Index Trend

47h · 1 stn

Poissy'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
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
8.97 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Poissy?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.58.97 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
8.97
Median
8.6
Average
2.9
Low
34.9
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -1.9

What is the 7-day forecast for Poissy?

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°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Poissy?

31
Cergy-pontoise, Paris
13.0 km PM2.5: 7.4 µg/m³
45
Cergy-pontoise, Paris
13.0 km PM2.5: 10.8 µg/m³
28
La Defense, Paris
14.6 km PM2.5: 6.7 µg/m³
56
La Defense, Paris
14.6 km PM2.5: 14.5 µg/m³
89
Gennevilliers, Paris
17.9 km PM2.5: 30.2 µg/m³
53
Gennevilliers, Paris
17.9 km PM2.5: 13.1 µg/m³
52
Gennevilliers, Paris
17.9 km PM2.5: 12.6 µg/m³
18
Gennevilliers, Paris
17.9 km PM2.5: 4.3 µg/m³
53
Paris Stade Lenglen, Paris
19.5 km PM2.5: 13.1 µg/m³
56
Paris Stade Lenglen, Paris
19.5 km PM2.5: 14.5 µg/m³

What cities are near Poissy?

38 Carrières-sous-Poissy 39 Achères 34 Saint-Germain-en-Laye 33 Le Pecq 35 Montesson 33 Le Vésinet 32 Marly-le-Roi 42 Maisons-Laffitte 38 Verneuil-sur-Seine 36 Conflans-Sainte-Honorine
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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 2026-07-22T05:39 UTC.