Ambient Air Quality of Dibrugarh 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. | ||
| Dibrugarh Office Building, Dibrugarh RO |
R
|
9 | 6.50 | 5.36 | 1.76 | 9 | 16.50 | 13.86 | 2.17 | 9 | 40.50 | 29.78 | 10.32 | 9 | 63.00 | 54.61 |
12.89 |
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 Dibrugarh 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. | ||
| Dibrugarh Office Building, Dibrugarh RO |
R
|
8 | 7.25 | 5.25 | 2.20 | 8 | 15.50 | 12.88 | 3.15 | 8 | 93.50 | 36.31 | 36.51 | 8 | 134.50 | 70.50 | 45.71 |
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 Dibrugarh 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. | ||
| Dibrugarh Office Building, Dibrugarh RO |
R
|
11 | 6.50 | 4.95 | 2.01 | 11 | 14.75 | 12.27 | 2.19 | 11 | 73.50 | 33.14 | 15.95 | 11 | 108.50 | 65.32 | 22.85 |
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 Dibrugarh for October 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. | ||
| Dibrugarh Office Building, Dibrugarh RO | R |
10 | 7.75 | 5.52 | 1.89 | 10 | 17.25 | 12.67 | 2.59 | 10 | 105.67 | 38.83 | 40.06 | 10 | 119.33 | 71.25 | 42.53 |
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 Dibrugarh for November 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. | ||
| Dibrugarh Office Building, Dibrugarh RO | R |
8 | 8.00 | 6.44 | 1.41 | 8 | 16.25 | 14.53 | 2.30 | 8 | 31.50 | 25.13 | 8.46 | 8 | 82.50 | 51.88 | 19.69 |
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 Dibrugarh for December 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. | ||
| Dibrugarh Office Building, Dibrugarh RO | R |
9 | 8.00 | 6.22 | 1.82 | 9 | 15.75 | 13.61 | 2.41 | 9 | 58.50 | 31.11 | 103.50 | 9 | 103.50 | 67.28 | 24.05 |
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.