Air Quality in Poissy, France

Clear
24.7°C · 48.4% humidity
24.7°
Feels 24.7°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 12pm
24
20
51 3pm
41
33
28 6pm
24
23
23 9pm
21
21
27 12am
26
26
26 3am
25
25
25 6am
18
18
18 9am
18
18
Station readings
22
24
20
CAMS model adj -9
34
34
34
24
24
24
24
24
25
27
27
27
34
34
34
34
34
34
34
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 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.

48.4%
Humidity
25.4 km/h
Wind SSW
1019.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.12 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Poissy?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.512.12 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (11 stations within 25 km)
12.12
Median
11.66
Average
2.32
Low
28.3
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -6.2

What is the 7-day forecast for Poissy?

09-05
24.7° 12.7°
09-06
23.3° 16.3°
09-07
21.9° 14.1°
12.62 mm
09-08
24.2° 14.3°
2.44 mm
09-09
24.1° 12.9°
0.38 mm
09-10
24.0° 14.3°
09-11
21.2° 13.6°
0.5 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Poissy?

20
Cergy-pontoise, Paris
13.0 km PM2.5: 4.8 µg/m³
29
Cergy-pontoise, Paris
13.0 km PM2.5: 7.0 µg/m³
20
Cergy-pontoise, Paris
13.0 km PM2.5: 4.8 µg/m³
57
La Defense, Paris
14.6 km PM2.5: 15.0 µg/m³
46
Gennevilliers, Paris
17.9 km PM2.5: 11.0 µg/m³
60
Paris Stade Lenglen, Paris
19.5 km PM2.5: 16.4 µg/m³
16
Paris Stade Lenglen, Paris
19.5 km PM2.5: 3.8 µg/m³
59
Zone Rurale Nord-ouest - Fremainville, Paris
20.0 km PM2.5: 15.9 µg/m³
42
Zone Rurale Nord-ouest - Fremainville, Paris
20.0 km PM2.5: 10.1 µg/m³
20
Avenue Des Champs Elysees, Paris
20.3 km PM2.5: 4.8 µg/m³

What cities are near Poissy?

52 Carrières-sous-Poissy 52 Achères 47 Saint-Germain-en-Laye 46 Le Pecq 48 Montesson 48 Le Vésinet 45 Marly-le-Roi 48 Maisons-Laffitte 57 Verneuil-sur-Seine 50 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 2026-09-05T13:43 UTC.