Air quality in Sion

10
Good

Air Quality Index

Air quality is satisfactory and poses little or no health risk.

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Pollutants

PM2.5 9.5 µg/m³
PM10 9.6 µg/m³
NO₂ 6.7 µg/m³
O₃ 3 µg/m³
SO₂ 1 µg/m³
CO 296 µg/m³

Air Quality Index

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