Ambient Air Quality of Bongaigaon 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. | ||
| Barpara Office Building, Bongaigaon |
R
|
8 | 4.67 | 3.00 | 1.56 | 8 | 10.00 | 7.18 | 3.55 | 8 | 41.33 | 21.46 | 13.81 | 8 | 61.33 | 38.96 |
14.96 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 5.50 | 3.78 | 1.56 | 8 | 13.50 | 8.78 | 3.74 | 8 | 19.00 | 15.63 | 4.62 | 8 | 37.50 | 27.00 |
8.15 |
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 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. | ||
| Barpara Office Building, Bongaigaon |
R
|
9 | 4.33 | 3.24 | 1.41 | 9 | 10.75 | 9.05 | 3.83 | 9 | 49.00 | 31.93 | 12.46 | 9 | 78.00 | 57.52 | 17.13 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
10 | 5.00 | 3.45 | 1.50 | 10 | 12.00 | 7.16 | 3.35 | 10 | 36.00 | 22.15 | 6.42 | 10 | 63.00 | 41.75 |
12.40 |
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 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. | ||
| Barpara Office Building, Bongaigaon |
R
|
8 | 4.17 | 3.33 | 1.40 | 8 | 10.00 | 8.07 | 3.95 | 8 | 47.67 | 33.13 | 9.52 | 8 | 90.67 | 59.50 | 19.13 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 4.75 | 3.44 | 1.50 | 8 | 12.25 | 9.09 | 3.45 | 8 | 43.50 | 31.19 | 9.73 | 8 | 82.50 | 58.31 |
18.41 |
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).