Ambient Air Quality of Bongaigaon for July 2009
|
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
|
10 | 6.50 | 4.28 | 1.91 | 10 | 16.50 | 12.58 | 3.87 | 10 | 128.00 | 39.00 | 32.61 | 10 | 163.00 | 58.80 |
38.79 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
10 | 7.25 | 5.88 | 1.80 | 10 | 16.00 | 14.30 | 2.28 | 10 | 490.00 | 126.10 | 162.76 | 10 | 568.50 | 166.45 |
204.78 |
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 August 2009
|
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 | 4.94 | 1.85 | 8 | 13.25 | 10.91 | 2.96 | 8 | 143.00 | 108.94 | 32.42 | 8 | 178.00 | 143.69 | 30.69 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
8 | 5.75 | 4.53 | 2.06 | 8 | 19.25 | 13.75 | 3.65 | 8 | 473.00 | 196.25 | 165.96 | 8 | 545.00 | 248.81 |
174.43 |
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 September 2009
|
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 | 6.31 | 2.04 | 9 | 17.75 | 14.92 | 2.72 | 9 | 71.00 | 38.83 | 18.86 | 9 | 120.50 | 77.11 | 32.93 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
9 | 8.00 | 6.39 | 1.96 | 9 | 17.50 | 15.06 | 2.67 | 9 | 59.50 | 45.78 | 24.48 | 9 | 110.00 | 84.50 |
35.56 |
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.