Demographia

Density & Air Pollution:
International Urban Areas

Density (Population per Square Mile) NOX SO CO VOC VP
20,000 & Over 420 71.8 2,362 451 154.9
10,000 - 19,999 166 26.3 790 151 9.0
4,000 - 9,999 116 8.3 1,018 117 8.3
Under 4,000 68 3.8 566 70 3.6
Cases 34 30 34 34 31
Annual Metric Tons/Square Mile
Calcualted from Kenworthy & Laube
     

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