Air quality in Hemel Hempstead

34
Fair

Air Quality Index

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

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Pollutants

PM2.5 2.6 µg/m³
PM10 3.5 µg/m³
NO₂ 2.4 µg/m³
O₃ 84 µg/m³
SO₂ 1 µg/m³
CO 151 µg/m³

Air Quality Index

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