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Water

 

 Year

   SPM

 SO2

NOx

2001

241

05

19

2002

274

08

27

2003

257

08

31

2004

271

09

30

2005

258

08

26

2006

226

10

29

2007

244

12

29

Units : µg/m3


Source: Punjab Pollution Control Board , Patiala