Ambient Air Quality of Guwahati for April 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
|
23
|
16.00 | 10.35 | 3.55 | 23 | 23.25 | 17.14 | 4.77 | 23 | 226.50 | 118.26 | 71.52 | 23 | 552.50 | 267.28 |
147.46 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
21 | 13.25 | 8.96 | 2.99 | 21 | 19.75 | 14.67 | 4.18 | 21 | 177.00 | 95.33 | 37.28 | 21 | 324.50 | 169.48 |
72.02 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
24 | 15.50 | 9.50 | 3.84 | 24 | 19.25 | 14.61 | 4.41 | 21 | 170.00 | 81.06 | 39.85 | 21 | 309.50 | 141.83 |
69.94 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
21 | 10.25 | 7.33 | 2.42 | 21 | 15.25 | 12.23 | 3.03 | 21 | 161.50 | 75.05 | 35.80 | 21 | 327.50 | 135.29 |
64.07 |
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 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
|
27 | 15.00 | 9.94 | 2.79 | 27 | 22.50 | 17.18 | 4.59 | 27 | 186.00 | 91.67 | 31.34 | 27 | 296.50 | 174.65 | 58.06 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
24 | 13.00 | 9.33 | 2.96 | 24 | 23.50 | 15.47 | 3.94 | 24 | 131.50 | 79.15 | 24.31 | 24 | 214.50 | 136.08 | 39.09 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
26 | 16.00 | 10.15 | 2.95 | 26 | 22.00 | 17.23 | 4.38 | 26 | 119.00 | 75.52 | 22.93 | 26 | 222.50 | 135.35 | 36.16 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
25 | 13.25 | 7.84 | 2.95 | 25 | 17.75 | 12.97 | 3.63 | 25 | 110.00 | 70.48 | 23.81 | 25 | 196.00 | 121.10 | 39.33 |
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
Ambient Air Quality of Guwahati for June 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 | 10.75 | 8.13 | 2.19 | 26 | 19.25 | 15.01 | 3.51 | 26 | 98.50 | 56.77 | 16.07 | 26 | 173.00 | 103.17 | 29.62 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
23 | 11.75 | 7.99 | 2.30 | 23 | 21.75 | 14.14 | 3.55 | 23 | 87.00 | 53.89 | 15.23 | 23 | 142.00 | 93.59 | 24.67 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
24 | 10.50 | 8.64 | 2.12 | 24 | 19.25 | 15.19 | 3.44 | 24 | 81.50 | 52.92 | 14.36 | 24 | 161.50 | 95.90 | 28.27 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
20 | 9.00 | 6.80 | 2.21 | 20 | 15.25 | 11.86 | 3.65 | 20 | 73.50 | 48.20 | 14.83 | 20 | 135.50 | 87.58 | 23.77 |
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.