AMBIENT AIR QUALITY DATA
YEAR - 2004


Annual Average Concentration in mg/m3 of Air Pollutants in Chattisgarh under NAMP

Table 1: Summary of SO2 levels (Annual Average Concentration in mg/m3) in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average

(mg/m3)

Std.

deviation

n

Air Quality

Chattisgarh

Korba

Pragati Nagar

R

13

0.5

73

L

HIG 21, 22, MP Nagar (Extn)

R

13

0.6

69

L

ITI Rampur

R

14

0.6

10

-

Bhilai

Laghu Udyog Nigam I.A.

I

24

1

87

L

Vishak Hostel

R

21

1

71

L

Regional Office Bunglow Office Bldg.

R

BDL

0

85

L

Raipur

M/s Wool Worth (I) Ltd

I

11

1

63

L

New HIG – 9, Hirapur

R

10

1

68

L

Table 2: Summary of NO2 levels (Annual Average Concentration in mg/m3) in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average

(mg/m3)

Std.

deviation

n

Air Quality

1

Chattisgarh

Korba

Pragati Nagar

R

19

1.9

73

L

HIG 21, 22, MP Nagar (Extn)

R

21

1.3

69

L

ITI Rampur

R

21

0.5

10

-

Bhilai

Laghu Udyog Nigam I.A.

I

29

2

87

L

Vishak Hostel

R

26

1

71

L

Regional Office Bunglow Office Bldg.

R

19

2

85

L

Raipur

M/s Wool Worth (I) Ltd

I

38

2

63

L

New HIG – 9, Hirapur

R

37

2

68

M

Table 3: Summary of RSPM levels (Annual Average Concentration in mg/m3) in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average

(mg/m3)

Std.

deviation

n

Air Quality

1

Chattisgarh

Korba

Pragati Nagar

R

132

12

73

C

HIG 21, 22, MP Nagar (Extn)

R

176

38

70

C

ITI Rampur

R

207

17

10

-

Bhilai

Laghu Udyog Nigam I.A.

I

148

14

88

H

Vishak Hostel

R

128

10

80

C

Regional Office Bunglow Office Bldg.

R

107

9

89

C

Raipur

M/s Wool Worth (I) Ltd

I

292

80

73

C

New HIG – 9, Hirapur

R

275

73

78

C

Table 4: Summary of SPM levels (Annual Average Concentration in mg/m3) in various cities during 2004.

S.No.

STATE/UT

CITY

LOCATION

Type of Area

Average

(mg/m3)

Std.

deviation

n

Air Quality

1

Chattisgarh

Korba

Pragati Nagar

R

139

13

73

M

HIG 21, 22, MP Nagar (Extn)

R

209

27

70

H

ITI Rampur

R

210

31

11

-

Bhilai

Laghu Udyog Nigam I.A.

I

264

18

88

M

Vishak Hostel

R

234

15

80

C

Regional Office Bunglow Office Bldg.

R

193

12

89

H

Raipur

M/s Wool Worth (I) Ltd

I

416

95

73

H

New HIG – 9, Hirapur

R

402

91

78

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 (calculated for n ³ 50 days)

BDL = Below Detection Limit (Concentration less than 4 mg/m3 for SO2)
BDL = Below Detection Limit (Concentration less than 9 mg/m3 for NO2)