Air Quality in Sierre, Switzerland

Drizzle
7.1°C · 91.4% humidity
7.1°
Feels 3.9°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
27 10pm
27
27
34 1am
32
31
30 4am
36
35
28 7am
28
27
25 10am
25
25
25 1pm
25
34
34 4pm
34
34
34 7pm
34
54
AD 728×90

Air Quality Index Trend

31h · 1 stn

Sierre'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 Sierre is 1.6× the WHO annual guideline of 5 µg/m³.

91.4%
Humidity
18.3 km/h
Wind NE
1022.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.15 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sierre?

Temperature & Precipitation

PM2.5 Trend

31h · 1 station
PM2.58.15 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Sierre?

05-28
15.4° 7.2°
6.25 mm
05-29
10.3° 7.1°
19.31 mm
05-30
12.7° 0.9°
1.69 mm
05-31
17.8° 4.5°
0.75 mm
06-01
17.1° 6.2°
1.56 mm
06-02
13.0° 8.3°
7.44 mm
06-03
11.6° 5.5°
1.06 mm
Both models agree Avg diff: 5.7°C

Where are air quality stations near Sierre?

17
Sion Aeroport A9, Switzerland
16.9 km PM2.5: 4.1 µg/m³
24
Sion Aeroport A9, Switzerland
16.9 km PM2.5: 5.8 µg/m³

What cities are near Sierre?

35 Sitten 51 Martigny-Ville 36 Monthey 42 Montreux 33 Thun 48 Bulle 33 Steffisburg 42 Vevey 40 Domodossola 20 Aosta
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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.