| Annual
Average Concentration of Air Pollutants (in mg/m3)
in Meghalaya under National Air Quality Monitoring Programme (NAMP) Table
1: Summary of SO2 levels in Shillong during 2004.
| S.No. |
STATE/UT |
CITY |
LOCATION |
Type of Area |
Average
(mg/m3) |
Std. deviation |
n |
Air Quality | |
1 |
Meghalaya |
Shillong |
Boards Office Premises |
R |
BDL |
0.3 |
94 |
L | |
State Tuberculosis Hospital |
R |
5 |
2 |
66 |
L | Table
2: Summary of NO2 levels in Shillong during 2004.
| S.No. |
STATE/UT |
CITY |
LOCATION |
Type of Area |
Average
(mg/m3) |
Std. deviation |
n |
Air Quality | |
1 |
Meghalaya |
Shillong |
Boards Office Premises |
R |
5 |
0 |
94 |
L | |
State Tuberculosis Hospital |
R |
19 |
6 |
66 |
L |
Table 3: Summary of RSPM
levels in Shillong during 2004.
| S.No. |
STATE/UT |
CITY |
LOCATION |
Type of Area |
Average
(mg/m3) |
Std. deviation |
n |
Air Quality | |
1 |
Meghalaya |
Shillong |
Boards Office Premises |
R |
43 |
10 |
80 |
M | |
State Tuberculosis Hospital |
R |
71 |
27 |
64 |
H |
Table
4: Summary of SPM levels in Shillong during 2004.
| S.No. |
STATE/UT |
CITY |
LOCATION |
Type of Area |
Average
(mg/m3) |
Std. deviation |
n |
Air Quality | |
1 |
Meghalaya |
Shillong |
Boards Office Premises |
R |
48 |
12 |
80 |
L | |
State Tuberculosis Hospital |
R |
92 |
37 |
64 |
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 | 
