Anything over 30 is not pristine. Green=pristine.
1. Portland, OR, 10.
2. San Francisco, CA, 26, 38.
3. Boston, MA, 21, 27.
4. Oakland, CA, 26,38.
5. Eugene, OR, 4.
6. Cambridge, MA, 21,27.
7. Berkeley, CA, 26, 38.
8. Seattle, WA, 14, 18.
9. Chicago, IL, 30, 50.
10. Austin, TX, 24, 16.
Tuesday, April 14, 2009
Air Quality Ten Greenest Cities, 11:10am, 04/14/2009
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