Air Quality in Monthey, Switzerland
Drizzle
8.1°C · 94.3% humidity
8.1°
Feels 5.5°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Monthey's air quality — share it
AQI Forecast
27
10pm
27
27
36
1am
40
59
57
4am
56
56
55
7am
55
28
27
10am
27
27
25
1pm
27
34
34
4pm
54
54
54
7pm
54
54
Air Quality Index Trend
47h · 3 stnMonthey'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. Current PM2.5 concentration in Monthey is 1.7× the WHO annual guideline of 5 µg/m³.
94.3%
Humidity
15.4 km/h
Wind NNE
1023.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.7 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Monthey?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.58.7 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Monthey?
05-28
15.9° 8.9°
9.94 mm
05-29
12.7° 8.1°
4.88 mm
05-30
15.2° 2.9°
0.88 mm
05-31
19.0° 6.4°
0.44 mm
06-01
19.9° 7.9°
1.31 mm
06-02
14.0° 6.5°
8.25 mm
06-03
14.0° 5.7°
0.31 mm
Both models agree
Avg diff: 5.0°C
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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 2026-05-28T23:08 UTC.