Ambient Air Quality of Guwahati for July 2005
|
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
|
1.27
|
7
|
12.82
|
5.62
|
7
|
74.86
|
21.53
|
7
|
121.62
|
32.52 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
8 | 4.40 | 2.04 | 8 | 17.32 | 5.76 | 8 | 90.08 | 23.93 | 8 | 147.46 | 34.54 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
8
|
4.00
|
1.33
|
8
|
13.13
|
5.21
|
8
|
71.00
|
18.43
|
8
|
116.58
|
28.69
|
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 2005
|
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
|
1.47
|
7
|
15.13
|
5.94
|
7
|
64.48
|
17.60
|
7
|
116.62
|
28.02 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
5 | 4.60 | 2.25 | 5 | 17.50 | 6.26 | 5 | 74.47 | 22.66 | 5 | 137.53 | 39.54 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
6
|
4.00
|
1.40
|
6
|
15.28
|
4.97
|
6
|
63.33
|
18.87
|
6
|
108.56
|
32.22
|
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 2005
|
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
|
4.07
|
1.83
|
7
|
13.64
|
4.08
|
7
|
70.05
|
17.07
|
7
|
121.90
|
27.15 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
7 | 4.86 | 1.63 | 7 | 16.23 | 4.32 | 7 | 85.90 | 22.91 | 7 | 151.23 | 35.10 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
8
|
4.00
|
1.72
|
8
|
13.39
|
4.33
|
8
|
64.58
|
14.26
|
8
|
111.96
|
22.49
|
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.