Ambient Air Quality of Guwahati for January 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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
18 | 19.00 | 11.85 | 5.13 | 18 | 51.00 | 27.68 | 11.18 | 18 | 326.50 | 243.08 | 77.44 | 18 | 596.50 | 405.64 |
119.00 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
-- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
18 | 10.25 | 7.17 | 3.44 | 18 | 21.00 | 14.19 | 5.95 | 18 | 201.50 | 128.06 | 54.93 | 18 | 415.00 | 215.56 |
84.26 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
18 | 19.00 | 9.17 | 5.27 | 18 | 36.25 | 17.28 | 8.04 | 18 | 229.00 | 149.11 | 85.24 | 18 | 363.00 | 231.19 |
115.53 |
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 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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
21 | 24.75 | 14.00 | 5.56 | 21 | 48.00 | 29.23 | 10.47 | 21 | 517.00 | 264.95 | 128.50 | 21 | 1123.5 | 536.71 | 266.68 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
19 | 20.25 | 9.37 | 5.01 | 19 | 34.25 | 16.02 | 7.42 | 19 | 721.50 | 206.16 | 163.00 | 19 | 1045.50 | 381.18 | 252.68 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
21 | 29.50 | 10.64 | 6.14 | 21 | 35.75 | 20.79 | 8.06 | 21 | 643.00 | 227.95 | 162.36 | 21 | 994.50 | 441.12 | 284.42 |
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 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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
22 | 30.75 | 14.06 | 9.30 | 22 | 46.75 | 24.61 | 11.46 | 22 | 789.50 | 290.16 | 160.45 | 22 | 1300.00 | 552.32 | 281.72 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
20 | 17.75 | 8.70 | 5.20 | 20 | 30.25 | 16.62 | 7.90 | 20 | 308.50 | 169.75 | 94.57 | 20 | 1300.00 | 380.60 | 286.45 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
22 | 20.50 | 10.31 | 5.71 | 22 | 33.00 | 22.77 | 9.90 | 22 | 560.00 | 230.77 | 146.21 | 22 | 1300.00 | 460.84 | 288.33 |
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.