Ambient Air Quality of Guwahati for January 2006
|
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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
26
|
19.5 |
4.91
|
4.27
|
26
|
45.25 | 30.68 | 11.48 |
26
|
312.50 |
218.83
|
86.29 |
26
|
625.5 |
354.69
|
125.31 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
20 | 15.0 | 6.65 | 3.43 | 20 | 58.50 | 39.73 | 7.73 | 20 | 355.0 | 165.15 | 65.98 | 20 | 937.0 | 371.50 | 168.36 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
25 | 9.75 | 5.05 | 2.76 |
25
|
39.50 | 27.99 | 7.87 | 25 | 297.5 | 207.22 | 65.52 | 25 | 490.5 | 348.00 | 88.33 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days on which monitoring is carried out for 16 hours a day
Ambient Air Quality of Guwahati for February 2006
|
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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
22 | 8.0 | 4.78 | 2.39 | 22 | 25.64 | 9.78 | 39.25 | 22 | 501.5 | 213.41 | 98.51 | 22 | 864.0 | 395.07 | 150.26 |
| Paltan Bazar [Assam State Transport Corporation(ASTC) Office Building]; Guwahati-781008. |
R
|
3 | 7.5 | 6.33 | 1.82 | 3 | 33.5 | 32.50 | 2.70 | 3 | 114.0 | 103.00 | 11.52 | 3 | 250.0 | 241.67 | 12.74 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
21 | 13.75 | 5.51 | 3.04 | 21 | 39.50 | 27.24 | 8.10 | 21 | 326.00 | 165.81 | 71.93 | 21 | 811.50 | 340.12 | 148.69 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
3 | 7.75 | 4.83 | 3.10 | 3 | 23.0 | 20.08 | 8.40 | 3 | 462.5 | 227.50 | 173.99 | 3 | 728.0 | 406.83 | 247.17 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days on which monitoring is carried out for 16 hours a day
Ambient Air Quality of Guwahati for March 2006
|
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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
27 | 9.75 | 4.57 | 2.84 | 27 | 39.75 | 25.53 | 10.01 | 27 | 769.0 | 231.00 | 145.44 | 27 | 1198.0 | 419.89 | 207.61 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
27 | 4.50 | 3.19 | 1.73 | 27 | 29.50 | 16.60 | 6.73 | 27 | 462.0 | 194.04 | 126.03 | 27 | 1121.5 | 415.91 | 281.01 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
27 | 6.25 | 3.62 | 1.65 | 27 | 35.50 | 23.79 | 9.02 | 27 | 413.5 | 237.19 | 93.06 | 27 | 968.0 | 462.65 | 234.73 |
Note:- R – Residential and Other Areas
Avg. – Average concentration in mg/m3 , Std Dev. – standard deviation, n – number of days on which monitoring is carried out for 16 hours a day.