Air quality in Sion

Fair

Air Quality Index

Air quality is acceptable. Extremely sensitive people may experience minor symptoms.

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PM2.5 2.2 µg/m³

PM10 2.2 µg/m³

NO₂ 0.6 µg/m³

O₃ 67 µg/m³

SO₂ 0.7 µg/m³

CO 147 µg/m³