Beijing
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09/21/2020 03:00
Air quality
48
Good
0
50
100
150
200
300
500
No health implications.Enjoy your usual outdoor activities.
无需戴口罩
适宜外出
适宜开窗
关闭净化器
Main pollutants
PM2.5
21
PM10
48
O
3
34
NO
2
37
SO
2
2
CO
0.5