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.
You can find the list of the Most Polluted Cities in the United States 2012:
Facts
20 Facts that Sound Like Huge Lies But Are Actually Completely True
20 Facts that Sound Like Huge Lies But Are Actually Completely True Seemingly, useless facts that appear to be whoppers make for great conversation starters.
PositiveMed Team
Oct 23, 2014
