Sion Aeroport A9, Switzerland

Monitoring Station · Sitten, Switzerland
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 12am
50
50
50 3am
50
50
30 6am
30
23
23 9am
21
23
23 12pm
21
23
— 3pm
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— 6pm
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— 9pm
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CAMS model adj -4
54
54
54
54
54
54
34
34
27
27
25
27
27
25
27

Air Quality Trend (24h)

PM2.53.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

19
Sion Aeroport A9, Switzerland
0.0 km PM2.5: 4.6 µg/m³

Nearby Cities

41 Sitten 40 Sierre 29 Martigny-Ville 39 Monthey 45 Montreux 45 Vevey 31 Bulle 29 Aosta 36 Pully

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T03:29 UTC.