Air quality in Cheongju-si
61
Poor
Air Quality Index
Everyone may begin to experience health effects. Sensitive groups may experience more serious effects.
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Pollutants
PM2.5
31 µg/m³
PM10
33.9 µg/m³
NO₂
61 µg/m³
O₃
5 µg/m³
SO₂
5.3 µg/m³
CO
198 µg/m³