Ambient Air Quality of Dibrugarh 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. | ||
| Dibrugarh Office Building, Dibrugarh RO |
R
|
7 | 7.25 | 5.50 | 1.84 | 7 | 16.00 | 12.36 | 3.37 | 7 | 124.00 | 63.36 | 36.42 | 7 | 139.00 | 90.07 |
34.74 |
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 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. | ||
| Dibrugarh Office Building, Dibrugarh RO |
R
|
8 | 7.25 | 5.47 | 1.92 | 8 | 16.00 | 12.61 | 3.73 | 8 | 106.00 | 63.38 | 35.25 | 8 | 193.50 | 109.69 | 55.71 |
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 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. | ||
| Dibrugarh Office Building, Dibrugarh RO |
R
|
9 | 7.25 | 4.39 | 2.41 | 9 | 19.50 | 13.92 | 5.17 | 9 | 112.50 | 65.06 | 31.13 | 9 | 154.50 | 105.44 | 38.73 |
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 April 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 |
6 | 7.25 | 4.39 | 1.88 | 6 | 14.50 | 13.92 | 2.80 | 6 | 87.00 | 65.06 | 23.27 | 6 | 118.00 | 105.44 | 32.81 |
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 May 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 | 5.08 | 1.95 | 9 | 14.50 | 12.92 | 1.98 | 9 | 112.50 | 43.61 | 35.29 | 9 | 155.50 | 85.94 | 44.57 |
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 June 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 | 5.19 | 1.75 | 9 | 16.75 | 13.43 | 2.92 | 9 | 41.50 | 28.39 | 12.01 | 9 | 70.00 | 49.11 | 18.23 |
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.