Air quality in Hoàn Kiếm
77
Poor
Air Quality Index
Everyone may begin to experience health effects. Sensitive groups may experience more serious effects.
▲
Pollutants
PM2.5
28.8 µg/m³
PM10
28.9 µg/m³
NO₂
14 µg/m³
O₃
146 µg/m³
SO₂
18.8 µg/m³
CO
700 µg/m³