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  3. Valais
  4. Sion

Sion

Sion, Valais

2026-03-06 03:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
48.4
PM2.5
μg/m³
23.9
O3
μg/m³
50.2
NO2
μg/m³
8.3
Weather
  • ℃
  • ℉
4℃
86%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • PM10
  • PM2.5
  • O3
  • NO2
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Data Sources
http://www.polleninfo.org

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