Pittsburgh surpasses Los Angeles as nation's sootiest city (AP)

[riky]

Pittsburgh surpasses Los Angeles as nation's sootiest city
    (AP)

 

<p>You are not allowed to view links. Register or LoginAP - A city outside California has for the first time been named the sootiest in the nation, one of the categories the American Lung Association uses to determine the most polluted cities in the country.</p><br clear="all"/>


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