AQI

PM2.5

mg/m3

PM10

mg/m3

SO2

mg/m3

CO

mg/m3

NO2

mg/m3

O3

mg/m3

2015

71.7

49.1

68.0

20.4

1.1

24.0

83.9

2016

70.5

46.8

66.4

17.3

1.0

26.9

84.6

2017

67.8

44.0

61.9

14.8

0.8

25.3

84.7