Air Quality in Poissy, France

Windy
26.7°C · 29.8% humidity
26.7°
Feels 26.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 1am
24
18
54 4am
44
37
33 7am
29
19
18 10am
16
15
15 1pm
14
14
14 4pm
13
13
13 7pm
13
20
40 10pm
40
40
Station readings
21
24
18
CAMS model adj -14
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
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.

29.8%
Humidity
67.9 km/h
Wind W
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.36 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Poissy?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.513.36 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
13.36
Median
12.63
Average
2.42
Low
22.84
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -6.4

What is the 7-day forecast for Poissy?

08-03
38.8° 17.9°
2.12 mm
08-04
27.0° 17.0°
0.06 mm
08-05
28.7° 19.3°
08-06
31.7° 17.1°
0.06 mm
08-07
33.4° 14.6°
1.63 mm
08-08
26.3° 17.2°
08-09
22.5° 15.0°
Both models agree Avg diff: 3.9°C

Where are air quality stations near Poissy?

34
Cergy-pontoise, Paris
13.0 km PM2.5: 8.2 µg/m³
57
Cergy-pontoise, Paris
13.0 km PM2.5: 15.0 µg/m³
152
La Defense, Paris
14.6 km PM2.5: 57.4 µg/m³
34
La Defense, Paris
14.6 km PM2.5: 8.2 µg/m³
23
Gennevilliers, Paris
17.9 km PM2.5: 5.5 µg/m³
54
Gennevilliers, Paris
17.9 km PM2.5: 13.5 µg/m³
41
Gennevilliers, Paris
17.9 km PM2.5: 9.8 µg/m³
56
Paris Stade Lenglen, Paris
19.5 km PM2.5: 14.5 µg/m³
13
Paris Stade Lenglen, Paris
19.5 km PM2.5: 3.1 µg/m³
15
Paris Stade Lenglen, Paris
19.5 km PM2.5: 3.6 µg/m³

What cities are near Poissy?

74 Carrières-sous-Poissy 74 Achères 43 Saint-Germain-en-Laye 38 Le Pecq 41 Montesson 39 Le Vésinet 39 Marly-le-Roi 49 Maisons-Laffitte 29 Verneuil-sur-Seine 74 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 2026-08-08T02:59 UTC.