1. Europe
  2. Switzerland
  3. Valais
  4. Sion

Sion

Valais

2025-12-23 03:00
AQHI (Canada)
Low
Pollutants
PM2.5
μg/m³
27.9
O3
μg/m³
65.4
PM10
μg/m³
23.1
NO2
μg/m³
6.8
Weather
  • ℃
  • ℉
0℃
70%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • PM2.5
  • O3
  • PM10
  • NO2
Places included
Sion
AQI 3
Data Sources
http://www.polleninfo.org

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Sion
AQI 3
Ardon
AQI 3
Crans-Montana
AQI 3
Sierre
AQI --
Riddes
AQI --
Agarn
AQI 3
Ormont-Dessous
AQI 3
Rougemont
AQI 3
Gampel-Bratsch
AQI --
Ollon
AQI 2
Château-d'Oex
AQI 3