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  2. Switzerland
  3. Valais
  4. Sion

Sion

Sion, Valais

2025-12-05 17:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
40.7
PM2.5
μg/m³
7.9
PM10
μg/m³
9
NO2
μg/m³
14.4
Weather
  • ℃
  • ℉
6℃
75%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • O3
  • PM2.5
  • PM10
  • NO2
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Data Sources
http://www.polleninfo.org

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