Air Quality in Poissy, France

Windy
22.5°C · 62.2% humidity
22.5°
Feels 22.5°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
34 7pm
34
34
50 10pm
38
35
33 1am
31
30
29 4am
29
28
28 7am
28
27
27 10am
34
54
54 1pm
54
34
34 4pm
34
34
AD 728×90

Air Quality Index Trend

49h · 2 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.

62.2%
Humidity
81.7 km/h
Wind NE
1015.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
11.99 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Poissy?

Temperature & Precipitation

PM2.5 Trend

49h · 2 stations
PM2.511.99 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
11.99
Median
13.49
Average
2.2
Low
23.5
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -1.1

What is the 7-day forecast for Poissy?

05-29
22.5° 12.4°
0.31 mm
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
Both models agree Avg diff: 3.3°C

Where are air quality stations near Poissy?

8
Cergy-pontoise, Paris
13.0 km PM2.5: 1.9 µg/m³
55
Cergy-pontoise, Paris
13.0 km PM2.5: 14.0 µg/m³
37
La Defense, Paris
14.6 km PM2.5: 8.9 µg/m³
55
La Defense, Paris
14.6 km PM2.5: 14.0 µg/m³
63
Gennevilliers, Paris
17.9 km PM2.5: 17.8 µg/m³
22
Gennevilliers, Paris
17.9 km PM2.5: 5.3 µg/m³
127
Gennevilliers, Paris
17.9 km PM2.5: 46.1 µg/m³
129
Gennevilliers, Paris
17.9 km PM2.5: 46.9 µg/m³
10
Paris Stade Lenglen, Paris
19.5 km PM2.5: 2.4 µg/m³
53
Paris Stade Lenglen, Paris
19.5 km PM2.5: 13.1 µg/m³

What cities are near Poissy?

52 Carrières-sous-Poissy 52 Achères 47 Saint-Germain-en-Laye 45 Le Pecq 42 Montesson 42 Le Vésinet 47 Marly-le-Roi 47 Maisons-Laffitte 51 Verneuil-sur-Seine 54 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 2026-05-29T20:10 UTC.