AMBIENT AIR QUALITY DATA
YEAR - 2004

Annual average Concentration in mg/m3 in Various Cities of Gujarat under NAMP

Table 1: Summary of SO2 levels in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average
(mg/m3)

Std.

deviation

n

Air Quality

Gujarat

Ahmedabad

Naroda GIDC

I

18

3

104

L

Cadilla Bridge, Narol

R

18

3

104

L

L. D. Engineering College

R

11

3

104

L

Vadodara

CETP Nandesari

I

20

3

104

L

GPCB Office, Geri Vasahat

R

11

5

103

L

City Dandia Bazaar

R

18

4

104

L

Surat

Udhna

I

25

3

104

L

SVR Engg. College

R

18

5

103

L

Near Air India Office

R

24

5

104

L

Rajkot

Sardhara Industrial Corporation

I

12

2

105

L

Ankaleshwar

Rallis India Ltd

I

24

3

104

L

Durga Traders

R

23

3

104

L

Vapi

GEB GIDC

I

27

4

104

L

Vapi Nagar Palika

R

25

3

104

L

Jamnagar

Fisheries Office

R

10

3

105

L

Table 2: Summary of NO2 levels in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average

(mg/m3)

Std.

deviation

n

Air Quality

1

Gujarat

Ahmedabad

Naroda GIDC

I

27

3

104

L

Cadilla Bridge, Narol

R

27

4

104

L

L. D. Engineering College

R

19

4

104

L

Vadodara

CETP Nandesari

I

30

4

104

L

GPCB Office, Geri Vasahat

R

19

6

103

L

City Dandia Bazaar

R

28

6

104

L

Surat

Udhna

I

34

6

104

L

SVR Engg. College

R

24

9

103

L

Near Air India Office

R

34

8

104

M

Rajkot

Sardhara Industrial Corporation

I

25

3

105

L

Ankaleshwar

Rallis India Ltd

I

32

5

104

L

Durga Traders

R

29

5

104

L

Vapi

GEB GIDC

I

40

7

104

M

Vapi Nagar Palika

R

38

7

104

M

Jamnagar

Fisheries Office

R

22

3

105

L

Table 3: Summary of RSPM levels in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average
(mg/m3)

Std.

deviation

n

Air Quality

1

Gujarat

Ahmedabad

Naroda GIDC

I

181

32

104

C

Cadilla Bridge, Narol

R

187

50

104

C

L. D. Engineering College

R

88

41

104

H

Vadodara

CETP Nandesari

I

184

29

103

C

GPCB Office, Geri Vasahat

R

80

20

104

H

City Dandia Bazaar

R

175

26

104

C

Surat

Udhna

I

134

18

104

H

SVR Engg. College

R

107

18

103

C

Near Air India Office

R

131

20

104

C

Rajkot

Sardhara Industrial Corporation

I

220

28

105

C

Ankaleshwar

Rallis India Ltd

I

132

15

104

H

Durga Traders

R

119

15

104

C

Vapi

GEB GIDC

I

143

17

104

H

Vapi Nagar Palika

R

128

19

104

C

Jamnagar

Fisheries Office

R

130

18

103

C

 

Table 4: Summary of SPM levels in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average
(mg/m3)

Std.

deviation

n

Air Quality

1

Gujarat

Ahmedabad

Naroda GIDC

I

271

35

104

M

Cadilla Bridge, Narol

R

286

54

104

C

L. D. Engineering College

R

176

36

104

H

Vadodara

CETP Nandesari

I

278

28

103

M

GPCB Office, Geri Vasahat

R

170

22

104

H

City Dandia Bazaar

R

269

30

104

C

Surat

Udhna

I

170

24

104

L

SVR Engg. College

R

135

26

103

M

Near Air India Office

R

167

24

104

H

Rajkot

Sardhara Industrial Corporation

I

343

43

105

M

Ankaleshwar

Rallis India Ltd

I

167

21

104

L

Durga Traders

R

151

21

104

H

Vapi

GEB GIDC

I

182

23

104

M

Vapi Nagar Palika

R

163

24

104

H

Jamnagar

Fisheries Office

R

245

37

103

C

 

Note:- R Residential and other areas, I Industrial area, Std deviation Standard deviation,

n number of days monitored for 16 and more hours a day

L- Low, M- Moderate, H High and C Critical levels of pollution based on exceedence factor