Air quality in Niihama

18
Good

Air Quality Index

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

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Pollutants

PM2.5 7.4 µg/m³
PM10 10.4 µg/m³
NO₂ 7.7 µg/m³
O₃ 39 µg/m³
SO₂ 9.8 µg/m³
CO 333 µg/m³

Air Quality Index

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