The air over Phoenix is no longer the most-polluted in the nation, but local officials say even second place - the region's ranking in the American Lung Association's annual air-quality report card - requires an asterisk.
In its report released today, the association lists Bakersfield, Calif., as the metropolitan area with the dirtiest year-round air. Bakersfield, which was second in year-round pollution in 2010, also had the most-polluted air when measured with daily readings.
Metropolitan Phoenix dropped one position from its dirtiest-air ranking in 2010 and, as state and county regulators did last year, they said the high ranking for year-round pollution is skewed by the inclusion of data from an air monitor in Pinal County, 40 miles from downtown Phoenix
Read more: http://www.azcentral.com/news/articles/2011/04/27/20110427phoenix-air-quality-2nd-worst-in-us.html#ixzz1KjCEB5Pt
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