Air quality in Ansan-si
64
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
9.9 µg/m³
PM10
11 µg/m³
NO₂
14.4 µg/m³
O₃
127 µg/m³
SO₂
9.9 µg/m³
CO
186 µg/m³