Ambient Air Quality of Guwahati for April 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
|
5
|
4.00
|
1.32
|
5
|
12.17
|
5.2
|
5
|
116.87
|
37.09
|
5
|
173.07
|
48.17 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
5 | 4.47 | 1.55 | 5 | 17.48 | 5.78 | 5 | 146.33 | 42.23 | 5 | 218.13 | 56.89 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
2
|
4.00
|
0.9
|
2
|
9.00
|
3.65
|
2
|
106.17
|
30.13
|
2
|
170.33
|
46.24
|
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 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
|
6
|
4.00
|
1.05
|
6
|
12.43
|
5.06
|
6
|
90.00
|
26.74
|
6
|
137.28
|
38.16 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
6 | 4.03 | 1.83 | 6 | 16.14 | 5.97 | 6 | 117.78 | 38.78 | 6 | 179.33 | 51.95 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
6
|
4.00
|
1.04
|
6
|
10.85
|
4.45
|
6
|
90.44
|
27.52
|
6
|
139.61
|
38.22
|
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 June 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
|
1.23
|
7
|
12.72
|
5.67
|
7
|
98.71
|
30.57
|
7
|
151.80
|
43.30 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
8 | 4.18 | 1.73 | 8 | 15.78 | 19.83 | 8 | 118.50 | 34.33 | 8 | 179.87 | 49.81 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
7
|
4.00
|
1.08
|
7
|
10.24
|
4.73
|
7
|
89.05
|
27.53
|
7
|
138.62
|
38.07
|
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.