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Water

 

2010

2011

2012

2013

2014

2015

2016

2017

2018

SO2

9

10

7

8

6

6

5

6

5

NOX

22

21

30

21

17

15

13

15

14

RSPM

279

103

167

131

123

111

117

126

112



Source: Punjab Pollution Control Board