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Most Polluted Cities in America List 2011

Most Polluted Cities in America List 2011 Los Angeles, CA

The most polluted cities in America list for 2011 called the State of the Air 2011and it shows that overall air quality has improved in many places, but there are still over 154 million people, or over half of the citizens of America still are affected by dangerous pollution levels. This unhealthy air puts these …

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