Air quality in Sion
33
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
7.3 µg/m³
PM10
8.1 µg/m³
NO₂
2.8 µg/m³
O₃
83 µg/m³
SO₂
0.2 µg/m³
CO
131 µg/m³
Pollen
Birch
1
Low
Grass
1
Low