Ambient Air Quality of Bongaigaon for April 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 | 6.17 | 4.52 | 2.40 | 8 | 14.08 | 10.79 | 5.16 | 8 | 65.00 | 48.46 | 14.78 | 8 | 141.67 | 95.46 |
31.57 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 5.25 | 3.47 | 1.90 | 8 | 13.00 | 11.31 | 2.56 | 8 | 90.00 | 52.69 | 21.92 | 8 | 234.00 | 135.94 |
67.19 |
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 May 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 |
7.33 |
4.13 | 2.49 | 9 |
10.75 |
9.52 | 4.71 | 9 | 84.67 | 47.33 | 21.55 | 9 | 157.00 | 88.85 | 34.77 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
9 | 7.50 | 4.58 | 2.01 | 9 | 14.50 | 11.46 | 3.60 | 9 | 74.50 | 44.78 | 20.02 | 9 | 118.00 | 78.00 |
32.07 |
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 June 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 | 5.17 | 4.02 | 2.54 | 8 | 12.50 | 10.05 | 4.75 | 8 | 45.67 | 28.17 | 15.29 | 8 | 81.00 | 52.75 | 25.05 |
| *Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 5.50 | 4.19 | 1.60 | 8 | 15.25 | 11.27 | 3.73 | 8 | 40.50 | 30.56 | 11.94 | 8 | 61.00 | 46.56 |
17.22 |
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).