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23-4 Air Quality by Area Type and Roadside Condition (2002)
|
|
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|
(microgram/cu.m.) |
| Area Type and |
Annual average air pollutant concentrations |
| Roadside |
Sulphur
|
Nitrogen |
Total |
Respirable |
| |
Dioxide |
Dioxide |
Suspended |
Suspended |
| |
|
|
Particulates |
Particulates |
| |
|
|
|
|
| Urban |
20 |
58 |
68 |
45 |
| New Town |
15 |
48 |
67 |
48 |
| Rural |
11 |
13 |
|
39 |
| Roadside |
18 |
92 |
106 |
70 |
| |
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