Air Quality in Onex, Switzerland

Drizzle
17.8°C · 74.7% humidity
17.8°
Feels 17.8°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 6pm
34
34
38 9pm
34
54
34 12am
34
27
25 3am
25
27
27 6am
27
27
25 9am
25
25
24 12pm
24
24
25 3pm
25
25
AD 728×90

Air Quality Index Trend

48h · 6 stn

Onex'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.

74.7%
Humidity
18.3 km/h
Wind WNW
1014.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.11 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Onex?

Temperature & Precipitation

PM2.5 Trend

48h · 6 stations
PM2.59.11 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
9.11
Median
8.2
Average
6.2
Low
9.8
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.0

What is the 7-day forecast for Onex?

06-08
24.6° 13.3°
0.56 mm
06-09
22.0° 8.6°
11.63 mm
06-10
23.9° 12.8°
0.13 mm
06-11
23.7° 14.9°
1.63 mm
06-12
24.9° 11.0°
0.06 mm
06-13
28.9° 8.5°
3.37 mm
06-14
21.8° 9.8°
1.37 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Onex?

25
Gaillard, France
8.7 km PM2.5: 6.0 µg/m³
24
Annemasse, France
10.7 km PM2.5: 5.8 µg/m³
32
Saint-Germain-Sur-Rhone, France
25.0 km PM2.5: 7.7 µg/m³
13
Saint-Germain-Sur-Rhone, France
25.0 km PM2.5: 3.1 µg/m³

What cities are near Onex?

39 Lancy 39 Carouge 39 Genève 39 Vernier 39 Meyrin 36 Annemasse 38 Nyon 33 Annecy-le-Vieux 33 Annecy 34 Cran-Gevrier
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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 2026-06-08T19:28 UTC.