Ambient Air Quality of Guwahati for April 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
|
17
|
12.25 | 7.91 | 4.87 |
17
|
25.25 | 15.29 | 8.30 |
17
|
210.50 | 108.35 | 67.35 |
17
|
334.00 | 178.97 |
93.61 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
10 | 11.25 | 8.20 | 2.86 | 10 | 20.75 | 16.89 | 5.23 | 10 | 145.50 | 112.80 | 64.47 | 10 | 216.50 | 171.60 |
87.59 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
7 | 12.25 | 7.64 | 4.10 | 7 | 20.75 | 14.34 | 6.89 | 7 | 152.50 | 105.79 | 55.93 | 7 | 212.00 | 158.07 |
75.03 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
16 | 8.75 | 7.30 | 2.31 | 16 | 20.00 | 16.46 | 4.45 | 16 | 144.00 | 101.31 | 53.24 | 16 | 229.00 | 149.50 |
69.44 |
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 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
|
5 | 11.25 | 8.10 | 4.85 | 5 | 17.13 | 15.53 | 7.78 | 5 | 134.00 | 115.90 | 56.83 | 5 | 235.00 | 196.70 | 82.12 |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
19 | 13.25 | 9.47 | 2.91 | 19 | 23.00 | 16.64 | 5.12 | 19 | 144.00 | 102.61 | 48.87 | 19 | 228.00 | 157.18 | 63.42 |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
12 | 12.25 | 7.68 | 3.66 | 12 | 20.75 | 13.49 | 5.94 | 12 | 185.00 | 109.99 | 49.24 | 12 | 256.00 | 158.07 | 62.49 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
19 | 10.50 | 7.91 | 2.28 | 19 | 19.25 | 15.41 | 4.32 | 19 | 110.50 | 80.68 | 33.09 | 19 | 182.00 | 132.42 | 44.20 |
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 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
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Dispur (Fire Brigade Station) Guwahati-781006. |
R
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ITI Building (Gopinath Nagar, Guwahati-781016). |
R
|
22 | 10.00 | 6.98 | 3.31 | 22 | 19.75 | 12.51 | 5.18 | 22 | 143.50 | 89.89 | 34.56 | 22 | 266.50 | 145.86 | 53.51 |
| Santipur (Near Pragjyotish College), Guwahati |
R
|
20 | 10.25 | 7.83 | 2.56 | 20 | 16.50 | 13.43 | 3.36 | 20 | 114.00 | 77.30 | 33.11 | 20 | 199.00 | 128.73 | 50.61 |
Note:- R – Residential and Other Areas; -- : Station is out of operation.
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.