Ambient Air Quality of Bongaigaon for April 2008
|
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 | 8.75 | 6.08 | 2.48 | 9 | 16.50 | 12.60 | 4.92 | 9 | 92.00 | 59.56 | 21.77 | 9 | 160.50 | 107.06 |
34.32 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
9 | 6.00 | 4.67 | 1.96 | 9 | 13.25 | 9.90 | 3.51 | 9 | 90.50 | 52.17 | 27.95 | 9 | 164.00 | 92.94 |
39.07 |
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 16 hours a day.
Ambient Air Quality of Bongaigaon for May 2008
|
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 | 7.75 | 4.36 | 2.76 | 9 | 13.50 | 9.14 | 4.20 | 9 | 56.50 | 49.17 | 19.89 | 9 |
95.50 |
83.28 | 24.98 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R |
9 | 7.50 | 4.64 | 1.93 | 9 | 15.50 | 10.83 | 4.19 | 9 | 72.00 | 52.83 | 15.45 | 9 |
119.50 |
92.94 |
22.21 |
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 16 hours a day.
Ambient Air Quality of Bongaigaon for June 2008
|
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 | 5.75 | 4.44 | 1.83 | 8 | 11.38 | 8.86 | 4.00 | 8 | 55.00 | 29.81 | 13.71 |
8 |
100.00 |
56.31 |
24.48 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R |
8 | 5.50 | 3.63 | 1.70 | 8 | 12.50 | 8.09 | 3.57 | 8 | 33.50 | 25.25 | 7.90 |
8 |
58.50 |
44.69 |
12.02 |
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 16 hours a day.