Ambient Air Quality of Guwahati for April 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
|
1.72
|
6
|
12.58
|
3.47
|
6
|
112.22
|
25.95
|
6
|
164.33
|
36.32 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
5 | 4.00 | 1.77 | 6 | 15.22 | 5.04 | 6 | 147.22 | 37.20 | 6 | 211.94 | 52.43 |
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 May 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
|
0.99
|
7
|
12.25
|
4.06
|
7
|
124.24
|
32.42
|
7
|
183.48
|
43.00 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
6 | 4.00 | 1.39 | 6 | 14.98 | 4.36 | 6 | 159.39 | 36.34 | 6 | 231.72 | 48.44 |
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 June 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 | 1.47 | 7 | 14.90 | 5.05 | 7 | 145.43 | 39.30 | 7 | 205.14 | 62.65 |
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.