Air Quality in Onex, Switzerland
Clear
26.1°C · 48.6% humidity
26.1°
Feels 26.1°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations
Nearby Monitoring Stations
Onex's air quality — share it
AQI Forecast
Calibrated
92
1pm
81
37
53
4pm
51
50
49
7pm
49
50
50
10pm
57
56
76
1am
76
56
56
4am
76
76
76
7am
76
76
49
10am
47
47
Station readings
92
81
37
CAMS model
adj +22
25
25
25
25
25
25
25
25
27
27
34
34
54
54
34
34
54
54
54
54
54
27
25
25
Air Quality Index Trend
44h · 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.
48.6%
Humidity
12.3 km/h
Wind E
1018.5 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.19 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Onex?
Temperature & Precipitation
PM2.5 Trend
44h · 3 stationsPM2.513.19 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX9.4
Very High
Station readings (6 stations within 25 km)
13.19
Median
10.62
Average
4.8
Low
24.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -6.9
What is the 7-day forecast for Onex?
09-05
26.1° 10.1°
1.13 mm
09-06
13.9° 10.0°
6.88 mm
09-07
26.6° 9.2°
2.25 mm
09-08
23.7° 10.4°
0.25 mm
09-09
20.8° 11.4°
2.87 mm
09-10
27.5° 10.7°
1.81 mm
09-11
19.3° 7.3°
0.13 mm
Both models agree
Avg diff: 5.9°C
Where are air quality stations near Onex?
29
Gaillard, France
41
Gaillard, France
31
Annemasse, France
33
Annemasse, France
31
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 2026-09-05T14:07 UTC.