Air quality in Hong Kong
80
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
27 µg/m³
PM10
30 µg/m³
NO₂
71.2 µg/m³
O₃
37 µg/m³
SO₂
24.3 µg/m³
CO
314 µg/m³