Air Quality in Sierre, Switzerland
Drizzle
17.7°C · 70.6% humidity
17.7°
Feels 17.7°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Sierre's air quality — share it
AQI Forecast
27
11pm
27
34
24
2am
27
29
30
5am
31
25
26
8am
24
24
25
11am
25
25
25
2pm
24
24
24
5pm
24
24
25
8pm
25
25
Air Quality Index Trend
28h · 2 stnSierre'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.
70.6%
Humidity
15.2 km/h
Wind ESE
1018.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.66 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Sierre?
Temperature & Precipitation
PM2.5 Trend
28h · 2 stationsPM2.55.66 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Sierre?
08-03
27.4° 13.3°
2.19 mm
08-04
22.1° 10.6°
0.19 mm
08-05
22.9° 12.7°
0.56 mm
08-06
23.6° 15.2°
2.94 mm
08-07
26.5° 12.1°
5.75 mm
08-08
16.5° 6.2°
1.13 mm
08-09
13.0° 8.6°
3.44 mm
Both models agree
Avg diff: 4.6°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 2026-08-08T00:55 UTC.