Ambient Air Quality of Guwahati for July 2007
|
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
|
9.75 | 7.19 | 2.53 | 26 | 17.00 | 13.12 | 3.22 | 26 | 63.00 | 40.15 | 11.52 | 26 | 98.50 | 66.98 |
17.30 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
24 | 9.75 | 7.35 | 2.28 | 24 | 16.25 | 12.89 | 3.03 | 24 | 77.50 | 39.92 | 3.03 | 24 | 107.50 | 66.46 |
17.08 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
26 | 11.25 | 7.99 | 2.41 | 26 | 21.00 | 14.27 | 3.55 | 26 | 65.00 | 42.27 | 13.37 | 26 | 95.00 | 68.23 |
18.05 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
18 | 7.25 | 5.25 | 2.05 | 18 | 14.00 | 10.59 | 2.90 | 18 | 100.00 | 36.89 | 18.05 | 18 | 169.50 | 61.14 |
29.88 |
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 2007
|
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 | 9.25 | 7.28 | 2.04 | 25 | 20.00 | 14.02 | 3.08 | 25 | 69.50 | 44.34 | 17.19 | 25 | 108.00 | 74.90 | 22.92 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
22 | 8.75 | 7.13 | 1.83 | 22 | 17.25 | 13.06 | 3.21 | 25 | 71.50 | 44.48 | 12.12 | 25 | 71.50 | 44.48 | 12.12 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
23 | 12.00 | 8.43 | 2.40 | 23 | 19.75 | 15.61 | 3.45 | 23 | 97.00 | 48.61 | 16.99 | 23 | 150.50 | 78.59 | 23.70 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
20 | 7.50 | 5.21 | 2.09 | 20 | 13.75 | 10.73 | 2.99 | 20 | 60.50 | 41.80 | 15.13 | 20 | 107.00 | 70.38 | 21.83 |
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 2007
|
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 | 6.73 | 2.28 | 25 | 18.75 | 13.47 | 4.01 | 25 | 78.50 | 33.14 | 19.64 | 25 | 108.50 | 68.58 | 24.33 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
21 | 11.25 | 7.43 | 2.37 | 21 | 22.50 | 13.64 | 4.79 | 21 | 71.50 | 49.79 | 14.52 | 21 | 106.50 | 77.71 | 20.94 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
24 | 10.75 | 8.15 | 2.65 | 24 | 21.00 | 14.86 | 4.77 | 24 | 73.50 | 54.54 | 18.66 | 24 | 122.00 | 82.19 | 24.08 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
20 | 8.50 | 5.44 | 2.17 | 20 | 15.25 | 10.98 | 3.58 | 20 | 63.50 | 44.90 | 14.57 | 20 | 106.50 | 71.15 | 19.08 |
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.