DVI

Index of Pollution Risk (IPR)

Groups order

Category

Values

Area (km²)

%

DVI-2001

DVI-2007

IPR-2007

I

101

142

6.76

7.83

5

3

5

II

142

155

10.47

12.13

3

4

4

III

155

170

10.95

12.69

4

2

3

IV

170

182

30.60

35.46

1

1

1

V

182

197

27.51

31.88

2

5

2

100.00%