Air Quality in Saint-Germain-en-Laye, France

Windy
26.7°C · 29.8% humidity
26.7°
Feels 26.7°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
18 2am
15
17
43 5am
36
30
27 8am
17
15
14 11am
13
12
11 2pm
11
11
10 5pm
10
10
10 8pm
17
37
37 11pm
37
37
Station readings
18
15
CAMS model adj -17
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
54
54
54
54
AD 728×90

Air Quality Index Trend

46h · 4 stn

Saint-Germain-en-Laye'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▲
43
10.44 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Germain-en-Laye?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.510.44 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
10.44
Median
9.38
Average
2.42
Low
22.84
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -3.4

What is the 7-day forecast for Saint-Germain-en-Laye?

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 Saint-Germain-en-Laye?

34
La Defense, Paris
11.0 km PM2.5: 8.2 µg/m³
152
La Defense, Paris
11.0 km PM2.5: 57.4 µg/m³
13
Paris Stade Lenglen, Paris
15.0 km PM2.5: 3.1 µg/m³
15
Paris Stade Lenglen, Paris
15.0 km PM2.5: 3.6 µg/m³
57
Paris Stade Lenglen, Paris
15.0 km PM2.5: 15.0 µg/m³
56
Paris Stade Lenglen, Paris
15.0 km PM2.5: 14.5 µg/m³
23
Gennevilliers, Paris
15.4 km PM2.5: 5.5 µg/m³
54
Gennevilliers, Paris
15.4 km PM2.5: 13.5 µg/m³
41
Gennevilliers, Paris
15.4 km PM2.5: 9.8 µg/m³
30
Avenue Des Champs Elysees, Paris
16.5 km PM2.5: 7.2 µg/m³

What cities are near Saint-Germain-en-Laye?

38 Le Pecq 39 Le Vésinet 39 Marly-le-Roi 41 Montesson 54 Poissy 41 Chatou 35 La Celle-Saint-Cloud 74 Carrières-sous-Poissy 74 Achères 49 Maisons-Laffitte
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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 2026-08-08T03:08 UTC.