Year

Sulfur dioxide

INDUS DIXO

Nitrogen oxides

NITRO INDUS

NITRO by CAR

Micro Particle Susp + Smock

Micro indus + Smock Indus

Micro Particle Domestic

Micro particle by car

2011

22.17

20.17

24.04

17.29

6.37

12.78

11.00

1.14

0.629

2012

21.17

19.11

23.37

16.58

6.40

12.34

10.29

1.42

0.620

2013

20.43

18.35

22.27

15.45

6.40

12.78

10.94

1.23

0.594

2014

19.74

17.40

20.78

14.05

6.28

17.40

14.56

2.27

0.574