Ambient Air Quality of Guwahati for July 2006
|
Location
|
Type
of Area
|
Sulphur
dioxide
|
Nitrogen
dioxide
|
Respirable
Suspended Particulate Matter
|
Suspended
Particulate Matter
|
||||||||||||
| n |
Max.
|
Avg.
|
Std.
Dev.
|
n |
Max. |
Avg. |
Std.
Dev.
|
n |
Max.
|
Avg.
|
Std.
Dev.
|
n |
Max.
|
Avg. | Std. Dev. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
25
|
11.50 |
6.63
|
3.35
|
25
|
21.75 |
15.25
|
4.93 |
25
|
51.50 |
33.12
|
11.42
|
25
|
129.00 |
70.42
|
24.37 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
25 | 9.25 | 5.60 | 2.50 | 25 | 19.25 | 12.39 | 4.60 | 25 | 53.50 | 34.68 | 14.99 | 25 | 141.00 | 73.50 | 29.49 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
25 | 11.50 |
7.02
|
3.39
|
25
|
22.00 | 14.40 | 5.04 | 25 | 95.00 | 44.88 | 18.10 | 25 | 158.00 | 88.14 | 27.19 |
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 hours a day
Ambient Air Quality of Guwahati for August 2006
|
Location
|
Type
of Area
|
Sulphur
dioxide
|
Nitrogen
dioxide
|
Respirable
Suspended Particulate Matter
|
Suspended
Particulate Matter
|
||||||||||||
| n |
Max.
|
Avg.
|
Std.
Dev.
|
n |
Max. |
Avg. |
Std.
Dev.
|
n |
Max.
|
Avg.
|
Std.
Dev.
|
n |
Max.
|
Avg. | Std. Dev. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
26 | 13.50 | 6.90 | 3.25 | 26 | 24.75 | 15.00 | 5.40 | 26 | 102.00 | 47.33 | 23.60 | 26 | 235.00 | 85.83 | 46.55 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
25 | 10.25 | 5.14 | 2.57 | 25 | 16.00 | 10.39 | 3.83 | 25 | 78.50 | 35.10 | 18.40 | 25 | 237.00 | 74.48 | 46.63 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
25 | 10.25 | 6.74 | 2.58 | 25 | 19.50 | 13.79 | 4.22 | 25 | 75.50 | 46.56 | 16.29 | 25 | 128.50 | 85.20 | 26.59 |
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 hours a day
Ambient Air Quality of Guwahati for September 2006
|
Location
|
Type
of Area
|
Sulphur
dioxide
|
Nitrogen
dioxide
|
Respirable
Suspended Particulate Matter
|
Suspended
Particulate Matter
|
||||||||||||
| n |
Max.
|
Avg.
|
Std.
Dev.
|
n |
Max. |
Avg. |
Std.
Dev.
|
n |
Max.
|
Avg.
|
Std.
Dev.
|
n |
Max.
|
Avg. | Std. Dev. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
26 | 11.00 | 7.34 | 3.09 | 26 | 21.00 |
14.88
|
5.42
|
26 | 94.50 | 51.06 | 22.21 | 26 | 141.50 | 82.92 | 30.46 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
22 | 8.00 | 5.14 | 2.57 | 22 | 16.75 | 10.22 | 4.45 | 22 | 60.50 | 35.30 | 18.96 | 22 | 115.50 | 67.61 | 31.91 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
22 | 10.00 | 7.25 | 3.33 | 22 | 18.75 | 12.50 | 4.27 | 22 | 80.50 | 52.57 | 18.32 | 22 | 119.50 | 85.77 | 27.10 |
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 hours a day.