Ambient Air Quality of Guwahati for April 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
|
23
|
5.50 |
3.98
|
1.80
|
23
|
26.00 |
21.03
|
6.11 |
23
|
310.00 |
101.96
|
61.60
|
23
|
596.50 |
194.11
|
113.17 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
23 | 11.75 | 3.75 | 2.38 | 23 | 17.75 | 13.59 | 4.51 | 23 | 227.00 | 63.30 | 41.70 | 23 | 529.00 | 153.48 | 99.50 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
21 | 8.00 | 4.36 | 2.11 | 21 | 26.00 | 20.07 | 6.88 | 21 | 279.50 | 98.62 | 66.43 | 21 | 544.50 | 198.50 | 104.79 |
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 May 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 | 5.75 | 4.12 | 1.88 | 25 | 28.25 | 20.02 | 6.57 | 25 | 126.00 | 64.04 | 31.48 | 25 | 229.00 | 138.66 | 58.63 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
26 | 4.75 | 3.21 | 1.60 | 26 | 23.50 | 12.99 | 4.76 | 26 | 65.50 | 47.00 | 21.48 | 26 | 168.00 | 108.58 | 53.95 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
25 | 6.50 | 4.05 | 4.05 | 25 | 27.25 | 20.07 | 6.43 | 25 | 195.50 | 86.94 | 39.54 | 25 | 265.00 | 186.80 | 57.31 |
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 June 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 | 8.50 | 5.24 | 2.83 | 26 | 25.25 |
15.57
|
5.75
|
26 | 98.00 | 45.79 | 22.57 | 26 | 152.50 | 94.62 | 32.45 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
23 | 8.50 | 4.43 | 2.66 | 23 | 16.75 | 12.79 | 4.06 | 23 | 77.50 | 42.50 | 23.12 | 23 | 146.50 | 86.50 | 37.84 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
25 | 9.25 | 5.99 | 2.83 | 25 | 27.75 | 16.58 | 6.12 | 25 | 102.00 | 64.08 | 20.15 | 25 | 233.50 | 134.06 | 42.11 |
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.