Sion Aeroport A9, Switzerland

Monitoring Station · Sitten, Switzerland
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
28 2am
39
42
19 5am
19
39
39 8am
39
19
19 11am
19
12
19 2pm
19
39
— 5pm
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—
— 8pm
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— 11pm
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Station readings
28
42
CAMS model adj -15
54
54
54
34
34
54
54
54
34
34
34
27
34
34
54

Air Quality Trend (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
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Nearby Cities

42 Sitten 42 Sierre 42 Martigny-Ville 41 Monthey 69 Montreux 69 Vevey 27 Bulle 36 Aosta 76 Pully

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T05:53 UTC.