Ambient Air Quality of Guwahati for January 2008
|
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
|
25
|
14.75 | 10.03 | 4.03 |
25
|
29.50 | 18.86 | 6.94 |
25
|
248.00 | 169.66 | 77.77 |
25
|
602.50 | 260.14 |
137.31 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
19 | 11.50 | 8.68 | 3.08 | 19 | 23.50 | 17.12 | 5.41 | 19 | 250.00 | 157.79 | 64.54 | 19 | 595.00 | 235.21 |
140.60 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
18 | 4.90 | 2.44 | 3.34 | 18 | 22.75 | 16.89 | 6.44 | 18 | 332.50 | 181.36 | 78.36 | 18 | 676.00 | 271.19 |
155.03 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
18 | 12.00 | 8.81 | 3.24 | 18 | 23.75 | 16.06 | 5.36 | 18 | 200.50 | 137.31 | 61.58 | 18 | 445.00 | 207.67 |
114.01 |
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 2008
|
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 | 13.25 | 9.17 | 3.18 | 21 | 25.50 | 20.43 | 6.18 | 21 | 234.00 | 175.02 | 77.82 | 21 | 304.00 | 249.52 | 93.35 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
21 | 12.50 | 8.81 | 3.08 | 21 | 23.00 | 17.98 | 5.22 | 21 | 224.00 | 162.02 | 61.51 | 21 | 307.00 | 233.31 | 82.04 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
15 | 12.25 | 7.88 | 3.62 | 15 | 22.50 | 17.37 | 7.12 | 15 | 230.00 | 155.57 | 69.00 | 15 | 314.00 | 226.53 | 87.58 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
21 | 11.75 | 8.38 | 2.59 | 21 | 22.25 | 18.01 | 5.23 | 21 | 197.00 | 148.69 | 64.72 | 21 | 256.00 | 209.71 | 75.56 |
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 2008
|
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 | 20.75 | 10.02 | 4.79 | 23 | 32.50 | 20.58 | 7.30 | 23 | 355.00 | 147.74 | 95.57 | 23 | 797.00 | 234.67 | 150.95 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
23 | 12.25 | 9.20 | 3.68 | 23 | 24.75 | 18.24 | 6.81 | 23 | 450.00 | 150.61 | 89.73 | 23 | 728.00 | 232.52 | 147.49 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
23 | 11.75 | 9.25 | 3.00 | 23 | 22.75 | 18.15 | 5.24 | 23 | 263.00 | 143.76 | 71.44 | 23 | 561.00 | 223.67 | 121.73 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
22 | 11.75 | 8.99 | 3.03 | 22 | 24.50 | 19.07 | 5.25 | 22 | 290.50 | 121.57 | 75.55 | 22 | 695.50 | 194.25 | 138.98 |
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.
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