Ambient Air Quality of Margherita 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. | ||
| Coal India Office Complex, Margherita |
R
|
9 | 13.25 | 9.00 | 4.79 | 9 | 22.25 | 17.75 | 5.67 | 9 | 41.50 | 28.39 | 10.86 | 9 | 127.00 | 68.28 |
32.31 |
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 Margherita 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. | ||
| Coal India Office Complex, Margherita |
R
|
9 | 16.75 | 11.25 | 3.42 | 9 | 28.00 | 22.08 | 4.71 | 9 | 41.50 | 30.17 | 11.54 | 9 | 135.50 | 63.61 |
36.71 |
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 Margherita 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. | ||
| Coal India Office Complex, Margherita |
R
|
9 | 16.00 | 12.19 | 4.21 | 9 | 29.25 | 24.21 | 6.20 | 9 | 49.00 | 32.00 | 10.43 | 9 | 99.50 | 65.50 | 21.34 |
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 Margherita 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. | ||
| Coal India Office Complex, Margherita | R |
8 | 15.75 | 11.56 | 3.66 | 8 | 31.00 | 21.69 | 6.05 | 8 | 82.50 | 42.19 | 20.69 | 8 | 125.00 | 74.25 | 26.74 |
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 Margherita 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. | ||
| Coal India Office Complex, Margherita | R |
10 | 17.50 | 13.83 | 3.23 | 10 | 28.50 | 24.50 | 4.07 | 10 | 97.00 | 72.40 | 20.15 | 10 | 151.50 | 116.90 | 26.95 |
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