Ambient Air Quality of Guwahati for July 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
|
24
|
12.75 | 6.58 | 3.09 | 24 | 21.00 | 13.92 | 4.21 | 24 | 134.50 | 48.27 | 28.54 | 24 | 186.50 | 87.83 |
41.46 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
-- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
23 | 10.25 | 5.87 | 2.83 | 23 | 18.50 | 14.17 | 3.77 | 23 | 122.50 | 42.74 | 23.68 | 23 | 178.50 | 76.37 |
32.67 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
24 | 8.00 | 5.45 | 2.12 | 24 | 16.00 | 13.39 | 3.32 | 24 | 60.50 | 40.90 | 15.18 | 24 | 115.50 | 72.35 |
27.24 |
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 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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
22 | 9.75 | 6.14 | 1.86 | 22 | 17.50 | 13.11 | 2.67 | 22 | 66.50 | 45.70 | 18.66 | 22 | 183.50 | 85.59 | 46.82 |
| Khanapara (Central Dairy) Guwahati-781022. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
20 | 8.00 | 6.45 | 1.72 | 20 | 15.75 | 13.76 | 2.00 | 20 | 117.00 | 52.68 | 26.05 | 20 | 153.00 | 84.58 | 37.27 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
22 | 7.25 | 5.83 | 1.68 | 22 | 15.75 | 13.15 | 2.38 | 22 | 54.50 | 43.32 | 12.73 | 22 | 94.50 | 70.66 | 18.24 |
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 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. | ||
| Bamunimaidam (Head Office); Guwahati-781021 |
R
|
18 | 9.75 | 6.51 | 2.52 | 18 | 16.50 | 13.50 | 2.75 | 18 | 73.50 | 53.31 | 16.63 | 18 | 234.50 | 128.97 | 66.55 |
| Khanapara (Central Dairy) Guwahati-781022. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
18 | 10.25 | 6.90 | 1.99 | 18 | 16.00 | 13.90 | 2.48 | 18 | 129.00 | 49.58 | 28.10 | 18 | 173.00 | 85.61 | 40.06 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
18 | 8.25 | 6.17 | 2.10 | 18 | 17.50 | 13.79 | 3.40 | 18 | 85.50 | 53.44 | 24.14 | 18 | 124.00 | 90.89 | 31.98 |
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.