Ambient Air Quality of Guwahati for April 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
|
17
|
18.50 | 9.72 | 4.43 |
17
|
30.50 | 21.54 | 6.76 |
17
|
266.00 | 134.65 | 64.54 |
17
|
397.50 | 254.03 |
122.24 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
-- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
15 | 9.00 | 6.40 | 2.49 | 15 | 23.75 | 14.08 | 6.65 | 15 | 121.50 | 93.93 | 39.09 | 15 | 246.00 | 173.60 |
68.64 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
14 | 11.25 | 6.73 | 3.14 | 14 | 26.50 | 19.43 | 8.13 | 14 | 188.50 | 103.32 | 47.50 | 14 | 357.50 | 177.64 |
75.70 |
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 May 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
|
23 | 13.00 | 7.14 | 3.54 | 23 | 22.50 | 15.13 | 5.43 | 23 | 153.50 | 91.43 | 40.94 | 23 | 387.50 | 167.70 | 86.27 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
20 | 10.25 | 6.31 | 2.46 | 20 | 17.25 | 11.96 | 3.68 | 20 | 141.00 | 78.18 | 41.36 | 20 | 194.50 | 136.20 | 63.47 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
23 | 10.50 | 5.83 | 2.35 | 23 | 19.50 | 13.53 | 3.84 | 23 | 86.00 | 59.91 | 26.36 | 23 | 161.00 | 112.41 | 48.03 |
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 June 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
|
16 | 11.00 | 6.55 | 3.12 | 16 | 19.50 | 13.33 | 4.09 | 16 | 143.00 | 73.19 | 35.43 | 16 | 285.50 | 121.69 | 62.92 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
20 | 8.75 | 5.42 | 2.49 | 20 | 15.75 | 12.20 | 3.51 | 20 | 95.00 | 66.28 | 27.15 | 20 | 149.50 | 113.53 | 37.17 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
19 | 7.75 | 5.68 | 1.89 | 19 | 16.25 | 12.56 | 3.16 | 19 | 87.50 | 56.95 | 23.33 | 19 | 152.50 | 102.50 | 38.38 |
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.