Ambient Air Quality of Guwahati for January 2004
|
Location
|
Type
of Area
|
Sulphur
dioxide
|
Nitrogen
dioxide
|
Respirable
Suspended Particulate Matter
|
Suspended
Particulate Matter
|
||||||||
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg. | Std. Dev. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
6
|
4.00
|
1.67
|
6
|
18.33
|
4.66
|
6
|
116.56
|
23.91
|
6
|
176.94
|
35.95 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
5 | 4.0 | 1.72 | 5 | 26.37 | 7.91 | 5 | 149.47 | 31.64 | 5 | 231.13 | 52.11 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days on which monitoring is carried out for 16 and more hours a day
Ambient Air Quality of Guwahati for February 2004
|
Location
|
Type
of Area
|
Sulphur
dioxide
|
Nitrogen
dioxide
|
Respirable
Suspended Particulate Matter
|
Suspended
Particulate Matter
|
||||||||
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg. | Std. Dev. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
7
|
4.00
|
1.67
|
7
|
16.21
|
4.93
|
7
|
133.90
|
30.86
|
7
|
192.00
|
43.86 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
6 | 4.00 | 1.93 | 6 | 22.17 | 8.56 | 6 | 172.67 | 52.38 | 6 | 257.28 | 77.23 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days on which monitoring is carried out for 16 and more hours a day
Ambient Air Quality of Guwahati for March 2004
|
Location
|
Type
of Area
|
Sulphur
dioxide
|
Nitrogen
dioxide
|
Respirable
Suspended Particulate Matter
|
Suspended
Particulate Matter
|
||||||||
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg.
|
Std.
Dev.
|
n
|
Avg. | Std. Dev. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
7
|
4.00
|
1.61
|
7
|
14.26
|
4.28
|
7
|
141.05
|
36.25
|
7
|
195.95
|
45.90 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
6 | 4.00 | 1.82 | 6 | 17.81 | 6.06 | 6 | 165.78 | 55.87 | 6 | 240.28 | 76.30 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days on which monitoring is carried out for 16 and more hours a day.