| Annual
average Concentration in (mg/m3)
in Kerala under National Air Quality Monitoring Programme (NAMP) Table
1: Summary of SO2 levels in various cities during 2004.
| S.No. |
State |
City |
Location |
Type |
Average (mg/m3) |
Std. Deviation |
n |
Air Quality | |
1 |
Kerala |
Kochi |
Eloor |
I |
32 |
26 |
78 |
L | |
Irumpanam |
I |
4 |
5 |
91 |
L | |
Ernakulum south |
R |
5 |
5 |
96 |
L | |
Tiruvanantha-puram |
Hitech Chackai |
I |
22 |
4 |
93 |
L | |
SMV School |
R |
9 |
3 |
105 |
L | |
Sasthamangalam |
R |
6 |
2 |
103 |
L | |
PRS Hospital |
S |
5 |
1 |
20 |
- | |
Kozhikode |
Nallalam |
I |
BDL |
0.3 |
96 |
L | |
Kozhikode City |
R |
BDL |
1 |
105 |
L | |
Kottayam |
Vadavathoor |
I |
BDL |
0.2 |
95 |
L | |
Kottayam |
R |
BDL |
1 |
94 |
L | |
Palakkad |
M/s Carborandum Universal Ltd./ SEPR Refractories India
Ltd. , Kanjikode | I |
BDL |
1 |
120 |
L | Table
2: Summary of NO2 levels in various cities during 2004.
| S.No. |
State |
City |
Location |
Type |
Average (mg/m3) |
Std. Deviation |
n |
Air Quality | |
1 |
Kerala |
Kochi |
Eloor |
I |
15 |
12 |
85 |
L | |
Irumpanam |
I |
BDL |
4 |
91 |
L | |
Ernakulum south |
R |
11 |
6 |
96 |
L | |
Tiruvanantha-puram |
Hitech Chackai |
I |
18 |
4 |
93 |
L | |
SMV School |
R |
28 |
5 |
105 |
L | |
Sasthamangalam |
R |
18 |
4 |
103 |
L | |
PRS Hospital |
S |
27 |
2 |
20 |
- | |
Kozhikode |
Nallalam |
I |
BDL |
1 |
96 |
L | |
Kozhikode City |
R |
BDL |
6 |
105 |
L | |
Kottayam |
Vadavathoor |
I |
BDL |
2 |
95 |
L | |
Kottayam |
R |
21 |
3 |
94 |
L | |
Palakkad |
M/s Carborandum Universal Ltd./ SEPR Refractories India
Ltd. , Kanjikode | I |
BDL |
2 |
120 |
L |
Table 3: Summary
of RSPM levels in various cities during 2004.
| S.No. |
State |
City |
Location |
Type |
Average (mg/m3) |
Std. Deviation |
n |
Air Quality | |
1 |
Kerala |
Kochi |
Eloor |
I |
67 |
21 |
85 |
M | |
Irumpanam |
I |
62 |
29 |
91 |
M | |
Ernakulum south |
R |
50 |
15 |
96 |
M | |
Tiruvanantha-puram |
Hitech Chackai |
I |
126 |
25 |
93 |
H | |
SMV School |
R |
125 |
38 |
104 |
C | |
Sasthamangalam |
R |
78 |
17 |
103 |
H | |
PRS Hospital |
S |
86 |
15 |
20 |
- | |
Kozhikode |
Nallalam |
I |
58 |
12 |
98 |
L | |
Kozhikode City |
R |
55 |
12 |
106 |
M | |
Palakkad |
M/s Carborandum Universal Ltd./ SEPR Refractories India
Ltd. , Kanjikode | I |
107 |
54 |
120 |
M | Table
4: Summary of SPM levels in various cities during 2004.
| S.No. |
State |
City |
Location |
Type |
Average (mg/m3) |
Std. Deviation |
n |
Air Quality | |
1 |
Kerala |
Kochi |
Eloor |
I |
122 |
25 |
85 |
L | |
Irumpanam |
I |
113 |
29 |
91 |
L | |
Ernakulum south |
R |
100 |
23 |
96 |
M | |
Tiruvanantha-puram |
Hitech Chackai |
I |
134 |
25 |
93 |
L | |
SMV School |
R |
134 |
39 |
104 |
M | |
Sasthamangalam |
R |
86 |
18 |
103 |
M | |
PRS Hospital |
S |
94 |
15 |
20 |
- | |
Kozhikode |
Nallalam |
I |
75 |
16 |
98 |
L | |
Kozhikode City |
R |
89 |
19 |
106 |
M | |
Palakkad |
M/s Carborandum Universal Ltd./ SEPR Refractories India
Ltd. , Kanjikode | I |
191 |
52 |
120 |
M |
Note:- R – Residential and other
areas, I – Industrial area, Std deviation – Standard deviation,
n -number
of days monitored for 16 and more hours a day
L - Low, M- Moderate, H – High
and
C -Critical levels of pollution based on exceedence factor (calculated
for n ³50 days) BDL
= Below Detection Limit (Concentration less than 4 mg/m3
for SO2)
BDL = Below Detection Limit (Concentration
less than 9 mg/m3 for NO2) | 
