Ambient Air Quality of Guwahati for July 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
|
8
|
4.00
|
1.06
|
8
|
12.97
|
4.2
|
8
|
130.38
|
36.26
|
8
|
186.96
|
47.13 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
7 | 4.00 | 1.27 | 7 | 11.04 | 4.65 | 7 | 119.38 | 42.7 | 7 | 179.24 | 59.47 |
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 August 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
|
1.15
|
6
|
12.79
|
4.82
|
6
|
125.33
|
30.99
|
6
|
183.28
|
42.28 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
6 | 4.00 | 1.49 | 6 | 13.24 | 5.31 | 6 | 160.94 | 39.55 | 6 | 234.61 | 57.17 |
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 September 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
|
1.15
|
7
|
11.19
|
4.31
|
7
|
120.62
|
33.68
|
7
|
178.62
|
45.49 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
6 | 4.06 | 1.77 | 6 | 14.69 | 4.98 | 6 | 155.28 | 36.04 | 6 | 231.72 | 53.37 |
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.