Air quality in Hongqiao
78
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
23.4 µg/m³
PM10
35 µg/m³
NO₂
1.3 µg/m³
O₃
143 µg/m³
SO₂
2.6 µg/m³
CO
254 µg/m³