Ambient Air Quality of Dibrugarh for January 2008
|
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 | 5.00 | 3.50 | 1.54 | 9 | 17.25 | 12.68 | 4.05 | 9 | 138.50 | 103.56 | 34.03 | 9 | 184.50 | 146.06 |
46.09 |
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 2008
|
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 | 7.00 | 4.33 | 2.43 | 9 | 21.50 | 13.42 | 4.98 | 9 | 150.00 | 102.17 | 35.13 | 9 | 215.00 | 157.17 | 46.66 |
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 2008
|
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 | 5.06 | 2.77 | 8 | 19.50 | 12.41 | 4.82 | 8 | 93.50 | 62.75 | 22.40 | 8 | 144.50 | 97.50 | 33.19 |
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 2008
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 | 7.75 | 4.16 | 2.34 | 8 | 17.00 | 14.08 | 5.56 | 8 | 86.50 | 59.31 | 26.84 | 8 | 125.00 | 92.75 | 36.44 |
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 2008
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 | 8.50 | 5.69 | 2.77 | 9 | 16.50 | 12.15 | 3.79 | 9 | 74.50 | 48.06 | 18.23 | 9 | 122.50 | 86.33 | 24.96 |
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 2008
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 | 5.88 | 2.21 | 8 | 12.50 | 9.97 | 2.68 | 8 | 60.00 | 36.88 | 15.98 | 8 | 108.00 | 76.56 | 31.44 |
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.