Honolulu and Santa Fe, New Mexico, are the U.S. cities with the best air quality, while Los Angeles and several others had the foulest, according to an American Lung Association report.
While the nation's most smoggy cities all improved their air quality over the last year, half the nation's residents still live with unhealthy levels of air pollution, added the report, released on Wednesday.
The "State of the Air 2011" report concluded that the U.S. Clean Air Act, the federal law aimed at limited pollution in U.S. Skies, is working...
The worst three for ozone pollution were Los Angeles, Bakersfield and Visalia, all in California. Bakersfield and fellow California city Fresno, along with Pittsburgh, Pennsylvania, had the most short-term particle pollution, while Bakersfield, Los Angeles and Phoenix had the worst year-round particle pollution.
Honolulu has best air in U.S., Los Angeles and others the worst: report
Thu Apr 28, 2011