Ambient Air Quality of Guwahati for January 2007
|
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
|
20.25 | 12.34 | 4.66 |
26
|
28.00 | 23.21 | 6.65 |
26
|
320.50 | 251.87 | 80.09 |
26
|
473.00 | 332.63 |
102.11 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
24 | 16.75 | 9.73 | 3.67 | 24 | 25.50 | 18.45 | 5.93 | 24 | 249.50 | 209.38 | 53.71 | 24 | 341.00 | 272.94 |
65.22 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
25 | 18.50 | 14.10 | 4.16 | 25 | 27.50 | 22.90 | 5.08 | 25 | 252.50 | 219.36 | 64.18 | 25 | 323.00 | 273.42 |
70.00 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
25 | 13.50 | 9.74 | 3.27 | 25 | 23.25 | 17.45 | 4.40 | 25 | 241.50 | 167.14 | 68.07 | 25 | 296.00 | 234.22 |
86.94 |
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 2007
|
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
|
14 | 17.25 | 9.29 | 4.25 | 14 | 29.25 | 21.36 | 6.02 | 14 | 242.00 | 138.46 | 78.42 | 14 | 344.00 | 209.93 | 91.21 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
15 | 13.75 | 8.43 | 3.44 | 15 | 27.00 | 17.38 | 5.38 | 15 | 257.00 | 120.77 | 60.91 | 15 | 349.50 | 191.63 | 86.62 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
14 | 19.00 | 11.93 | 5.53 | 14 | 29.00 | 20.96 | 6.58 | 14 | 195.50 | 122.93 | 61.15 | 14 | 266.00 | 177.25 | 73.25 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
14 | 12.50 | 7.20 | 3.55 | 14 | 21.75 | 15.29 | 5.58 | 14 | 219.50 | 125.71 | 68.41 | 14 | 311.00 | 192.18 | 83.62 |
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 2007
|
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 | 18.50 | 12.73 | 4.60 | 24 | 28.00 | 21.55 | 4.80 | 24 | 484.50 | 234.31 | 102.32 | 24 | 951.50 | 466.60 | 209.87 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
24 | 14.00 | 9.31 | 3.32 | 24 | 22.25 | 17.22 | 4.52 | 24 | 223.00 | 145.19 | 46.70 | 24 | 417.00 | 226.21 | 82.53 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
24 | 17.50 | 12.81 | 3.69 | 24 | 26.75 | 21.14 | 4.57 | 24 | 257.00 | 144.83 | 58.92 | 24 | 393.50 | 226.58 | 96.61 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
24 | 13.00 | 8.23 | 3.31 | 24 | 21.25 | 15.72 | 4.89 | 24 | 220.50 | 132.27 | 53.85 | 24 | 341.50 | 197.88 | 81.81 |
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.