For the past 13 years the American Lung Association releases a new State of the Air Report annually sharing their test results of air pollution across the United States.
This year, they have been joined by InfoNewt to release an infographic designs based on the 2012 report.
You can find the list of the Most Polluted Cities in the United States 2012:
Top 10 Dieting Secrets You Can Learn From Guys
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