Air quality in Hongqiao
77
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
22.5 µg/m³
PM10
32.8 µg/m³
NO₂
0.5 µg/m³
O₃
143 µg/m³
SO₂
1.8 µg/m³
CO
240 µg/m³