Beijing
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08/04/2021 00:00
Air quality
55
Moderate
0
50
100
150
200
300
500
Members of sensitive groups should reduce outdoor activities.
无需戴口罩
适宜外出
适宜开窗
关闭净化器
Main pollutants
PM2.5
22
PM10
59
O
3
92
NO
2
19
SO
2
2
CO
0.7