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Sion

Sion, Valais

2026-01-28 05:00
AQI (China)
Excellent
Pollutants|Pollens
PM2.5
μg/m³
20.3
O3
μg/m³
53.4
PM10
μg/m³
16.2
NO2
μg/m³
17.5
Weather
  • ℃
  • ℉
5℃
86%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Allergy Risk
  • PM2.5
  • O3
  • PM10
  • NO2
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Data Sources
http://www.polleninfo.org

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