Ambient Air Quality of Dibrugarh for January 2007
|
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 | 4.56 | 2.90 | 8 | 18.50 | 11.36 | 4.86 | 8 | 147.00 | 82.75 | 48.47 | 8 | 214.00 | 127.00 |
73.83 |
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 2007
|
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 | 5.75 | 3.79 | 2.69 | 6 | 13.00 | 10.02 | 3.51 | 6 | 85.50 | 63.58 | 28.35 | 6 | 129.50 | 90.50 | 36.08 |
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 2007
|
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 | 11.25 | 6.23 | 4.04 | 10 | 15.25 | 11.48 | 5.51 | 10 | 102.50 | 72.65 | 22.85 | 10 | 219.00 | 153.90 | 58.02 |
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.
Ambient Air Quality of Dibrugarh for April 2007
|
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 | 5.25 | 4.66 | 1.84 | 8 | 15.09 | 12.69 | 3.51 | 8 | 62.00 | 43.88 | 14.06 | 8 | 182.50 | 119.25 | 37.83 |
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 2007
|
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 | 5.80 | 2.28 | 10 | 16.50 | 12.13 | 3.64 | 10 | 76.00 | 46.15 | 20.02 | 10 | 153.00 | 98.60 | 34.37 |
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 2007
|
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
|
4 | 7.00 | 5.38 | 1.93 | 4 | 15.50 | 12.28 | 3.61 | 4 | 40.50 | 37.50 | 8.90 | 4 | 139.00 | 93.75 | 33.14 |
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.