Ambient Air Quality of Bongaigaon for January 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 | 9.25 | 6.98 | 2.22 | 10 | 18.50 | 15.30 | 3.19 | 10 | 120.50 | 81.45 | 26.36 | 10 | 560.50 | 231.75 |
158.80 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
10 | 9.50 | 7.50 | 1.96 | 10 | 21.25 | 17.75 | 3.96 | 10 | 216.50 | 152.75 | 50.28 | 10 | 279.50 | 226.35 |
47.94 |
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 February 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 | 7.25 | 5.13 | 2.36 | 10 | 24.75 | 15.70 | 6.12 | 10 | 209.00 | 111.65 | 62.08 | 10 | 683.50 | 352.95 | 238.87 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
9 | 11.00 | 7.75 | 3.43 | 9 | 28.25 | 18.86 | 6.38 | 9 | 294.00 | 172.28 | 84.47 | 9 | 393.50 | 292.00 |
89.99 |
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 March 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 | 12.00 | 6.53 | 2.56 | 10 | 23.50 | 17.00 | 4.11 | 10 | 96.50 | 56.90 | 26.48 | 10 | 330.50 | 177.05 | 105.92 |
| Campus of Oil India Ltd. PS-6, Bongaigaon |
R
|
10 | 10.25 | 6.95 | 2.72 | 10 | 33.25 | 17.64 | 7.56 | 10 | 175.50 | 79.45 | 48.26 | 10 | 245.00 | 129.30 |
71.63 |
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.