What is the air quality in Sitten today?

The current Air Quality Index (AQI) in Sitten is 42 (Good). PM2.5 concentration is 10.09 µg/m³.

What is the temperature in Sitten right now?

The current temperature in Sitten is 12.2°C (feels like 12.2°C). Humidity is 81.5% and wind speed is 16.5 km/h.

Is it safe to go outside in Sitten?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Sitten, Switzerland

Cloudy

12.2°C · 81.5% humidity

12.2°

Feels 12.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

34 12am

42 3am

50 6am

32 9am

26 12pm

25 3pm

25 6pm

25 9pm

Air Quality Index Trend

44h · 1 stn

View full history →

Sitten'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.

81.5%

Humidity

16.5 km/h

Wind ESE

1017.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.09 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Sitten?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station

PM2.510.09 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Sitten?

07-22

22.3° 12.2°

3.5 mm

07-23

18.2° 13.3°

07-24

20.6° 7.4°

1.56 mm

07-25

26.5° 6.4°

7.75 mm

07-26

27.9° 11.8°

4.12 mm

07-27

24.9° 9.7°

6.62 mm

07-28

25.2° 6.6°

3.62 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Sitten?

Sion Aeroport A9, Switzerland

1.3 km PM2.5: 11.0 µg/m³

Sion Aeroport A9, Switzerland

1.3 km PM2.5: 6.2 µg/m³

What cities are near Sitten?

26 Sierre 45 Martigny-Ville 40 Monthey 30 Montreux 30 Vevey 34 Bulle 20 Aosta 25 Thun 35 Pully 30 Cluses

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-07-22T01:42 UTC.