Air Quality in Onex, Switzerland
Partly Cloudy
15.9°C · 63.5% humidity
15.9°
Feels 15.9°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Onex's air quality — share it
AQI Forecast
Calibrated
45
11pm
54
54
37
2am
42
45
48
5am
70
71
72
8am
52
53
53
11am
53
47
47
2pm
45
45
45
5pm
45
45
45
8pm
45
45
Station readings
45
CAMS model
adj +20
27
34
34
34
34
34
34
54
54
54
34
34
34
34
27
27
25
25
25
25
25
25
25
25
Air Quality Index Trend
4h · 3 stnOnex'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.
63.5%
Humidity
13.4 km/h
Wind N
1015.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Onex?
Temperature & Precipitation
PM2.5 Trend
4h · 3 stationsPM2.58.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
8.9
Median
8.9
Average
7.7
Low
10.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -1.5
What is the 7-day forecast for Onex?
07-22
25.7° 15.9°
0.69 mm
07-23
22.2° 17.4°
0.38 mm
07-24
22.3° 12.5°
4.19 mm
07-25
30.9° 10.4°
0.38 mm
07-26
32.7° 15.2°
1.06 mm
07-27
29.8° 14.8°
0.25 mm
07-28
30.4° 12.6°
0.13 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Onex?
48
Gaillard, France
32
Annemasse, France
30
Saint-Germain-Sur-Rhone, France
24
Saint-Germain-Sur-Rhone, France
What cities are near Onex?
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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 2026-07-22T00:55 UTC.