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Water

Month

RSPM (µg/m3)

NOx (µg/m3)

SO2(µg/m3)

2013

2014

2015

2016

2017

2013

2014

2015

2016

2017

2013

2014

2015

2016

2017

January

91

72

95

97

98

17

16

11

12

12

5

4

4

5

6

February

86

97

77

96

81

17

10

11

12

11

6

5

4

5

5

March

92

74

60

95

84

23

11

10

12

11

7

4

4

5

5

April

96

89

70

102

87

16

11

11

12