Ambient Air Quality of Bongaigaon for October 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. | ||
| Barpara Office Building, Bongaigaon |
R
|
7 | 4.83 | 3.90 | 1.78 | 7 | 12.17 | 9.80 | 4.07 | 7 | 46.67 | 38.62 | 12.97 | 7 | 79.00 | 72.14 |
16.09 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 5.00 | 4.31 | 1.28 | 8 | 12.75 | 9.89 | 3.33 | 8 | 37.50 | 27.38 | 7.46 | 8 | 67.50 | 49.19 |
14.26 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days for which monitoring is carried out for 24 hours a day (* for 16 hours a day).
Ambient Air Quality of Bongaigaon for November 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. | ||
| Barpara Office Building, Bongaigaon |
R
|
9 |
9.67 |
4.54 | 2.68 | 9 |
14.25 |
10.22 | 5.71 | 9 | 91.00 | 63.11 | 25.27 | 9 | 141.00 | 102.22 | 29.98 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
7 |
9.75 |
4.96 | 2.86 | 7 |
13.50 |
10.27 | 3.24 | 7 | 85.00 | 52.71 | 32.77 | 7 | 130.00 | 86.21 | 42.72 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days for which monitoring is carried out for 24 hours a day (* for 16 hours a day).
Ambient Air Quality of Bongaigaon for December 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. | ||
| Barpara Office Building, Bongaigaon |
R
|
8 | 5.00 | 3.25 | 1.37 | 8 | 10.50 | 7.50 | 3.20 | 8 | 79.00 | 58.19 | 24.03 | 8 | 131.50 | 100.50 | 31.67 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 5.25 | 3.78 | 1.56 | 8 | 13.75 | 10.09 | 4.07 | 8 | 143.50 | 95.13 | 53.11 | 8 | 214.00 | 144.94 |
75.10 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days for which monitoring is carried out for 24 hours a day (* for 16 hours a day).