Air quality in Niihama

30
Fair

Air Quality Index

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

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Pollutants

PM2.5 4.9 µg/m³
PM10 5.9 µg/m³
NO₂ 17.3 µg/m³
O₃ 53 µg/m³
SO₂ 5.7 µg/m³
CO 309 µg/m³

Air Quality Index

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