市气象台2022年1月20日15时45分继续发布道路结冰黄色预警信号:受降雪天气影响,且地面温度较低,预计目前至23日中午本市部分路面将出现道路结冰现象,请注意防范。
市气象台2022年1月20日15时45分继续发布道路结冰黄色预警信号:受降雪天气影响,且地面温度较低,预计目前至23日中午本市部分路面将出现道路结冰现象,请注意防范。
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北京空气质量

82

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PM2.5

60

PM10

70

O3

21

NO2

41

SO2

3

北京空气质量

110

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PM2.5

39

PM10

48

O3

4

NO2

40

SO2

3

北京空气质量

100

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PM2.5

42

PM10

55

O3

5

NO2

44

SO2

2

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