Air quality in Hongch’ŏn
63
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
43.1 µg/m³
PM10
50.9 µg/m³
NO₂
40.7 µg/m³
O₃
42 µg/m³
SO₂
15.5 µg/m³
CO
285 µg/m³