|
Ambient
Air Quality of Madurai for January 2005
| Location |
Type of Area |
Sulphur dioxide |
Nitrogen dioxide |
Respirable Suspended Particulate Matter |
Suspended Particulate Matter |
| Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n | |
Fenner (I) Ltd. |
I |
13 |
4 |
7 |
26 |
11 |
7 |
74 |
24 |
7 |
195 |
44 |
7 | |
Highway Building |
R |
9 |
2 |
9 |
21 |
5 |
9 |
59 |
14 |
9 |
135 |
26 |
9 | |
Kunathurchatram |
R |
8 |
2 |
6 |
23 |
7 |
6 |
167 |
30 |
6 |
274 |
11 |
6 |
Ambient Air Quality of
Madurai for February 2005
| Location |
Type of Area |
Sulphur dioxide |
Nitrogen dioxide |
Respirable Suspended Particulate Matter |
Suspended Particulate Matter |
| Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n | |
Fenner (I) Ltd. |
I |
21 |
6 |
7 |
25 |
9 |
7 |
58 |
16 |
7 |
205 |
25 |
7 | |
Highway Building |
R |
8 |
2 |
8 |
23 |
6 |
8 |
57 |
22 |
8 |
160 |
39 |
8 | |
Kunathurchatram |
R |
9 |
2 |
8 |
23 |
6 |
8 |
141 |
30 |
8 |
235 |
19 |
8 |
Ambient Air Quality of
Madurai for March 2005
| Location |
Type of Area |
Sulphur dioxide |
Nitrogen dioxide |
Respirable Suspended Particulate Matter |
Suspended Particulate Matter |
| Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n |
Avg. |
Std. Dev |
n | |
Fenner (I) Ltd. |
I |
13 |
2 |
9 |
22 |
6 |
9 |
43 |
6 |
9 |
135 |
20 |
9 | |
Highway Building |
R |
9 |
2 |
9 |
21 |
4 |
9 |
41 |
5 |
9 |
96 |
10 |
9 | |
Kunathurchatram |
R |
10 |
3 |
8 |
24 |
6 |
8 |
115 |
30 |
8 |
245 |
28 |
8 | Note:-
I – Industrial Areas, 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 and more hours a day | 
