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  4. Sion

Sion

Sion, Valais

2026-03-09 12:00
AQI (UK)
Low
Pollutants|Pollens
PM10
μg/m³
30.1
PM2.5
μg/m³
9.4
NO2
μg/m³
49.4
O3
μg/m³
7.3
Weather
  • ℃
  • ℉
13℃
44%
4 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Allergy Risk
  • PM10
  • PM2.5
  • NO2
  • O3
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Data Sources
http://www.polleninfo.org

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