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23-4
Air Quality by Area Type and Roadside Condition (2001)
(Microgram/cu.m.)
Area Type and
Annual average air pollutant concentrations
Roadside
Total
Respirable
Sulphur
Nitrogen
Suspended
Suspended
Dioxide
Dioxide
Particulates
Particulates
Urban
18
64
74
53
New Town
16
52
75
51
Rural
10
11
43
Roadside
19
99
120
80
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