Ambient Air Quality of Dibrugarh for July 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
7 4.75 3.64 1.77 7 10.25 7.82 3.12 7 75.50 52.93 21.93 7 129.50 99.07

39.18

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 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 6.25 4.09 1.92 8 12.25 9.61 3.14 8 37.50 27.00 9.19 8 67.50 50.50 14.36

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 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 6.75 4.19 2.25 9 14.75 9.72 4.31 9 51.00 35.17 11.95 9 90.00 65.11 17.15

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 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
10 6.25 4.73 1.96 10 13.75 11.08 3.34 10 123.60 41.10 47.25 10 153.00 66.00 52.18

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 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
3 5.25 4.67 1.92 3 9.75 7.83 2.53 3 32.00 22.83 10.34 3 62.00 44.00 17.92

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 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 5.44 2.27 8 16.00 13.00 3.46 3 69.50 54.75 17.87 3 123.50 95.25 29.60

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.

 

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