The American Lung Association released the State of the Air 2012 today, an annual report on air quality which lists both the cleanest and most polluted areas in the country. This year’s report shows that although California still has some of the worst air in the nation, continuous progress in reducing ozone and particulate pollution has resulted in the state’s air quality at its cleanest since the Lung Association’s annual report began 13 years ago.
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[source: http://www.buildings.com/ArticleDetails/tabid/3334/ArticleID/13964/Default.aspx]
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