Archive for Thursday, May 1, 2008
Pittsburgh now nation’s sootiest city
May 1, 2008
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Los Angeles — 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.
Los Angeles still took the all-around pollution title, though.
Pittsburgh overtook Los Angeles in the category that measures short-term particle pollution or soot. Los Angeles, the country's longtime soot and smog leader, has enacted aggressive measures to tackle sources of pollution, resulting in a substantial drop in particle pollution levels, said Janice Nolen, the association's assistant vice president of national policy and advocacy.
"It's not that Pittsburgh has gotten worse; it's that Los Angeles has gotten better," Nolen said. "If the trend continues, Pittsburgh will top two lists, and LA will only be leading the nation in ozone."
Still, Los Angeles held its own in two other categories measuring year-round soot levels and smog. And statewide, 26 of California's 52 counties with air quality monitoring stations got failing grades for having either high ozone days or particle pollution days.
The association's "State of the Air: 2008" report, being released today, was based on air quality measurements reported to the U.S. Environmental Protection Agency by state and local agencies between 2004 and 2006. The study looks at three key pollution measures.
The eight metropolitan areas considered to be the nation's most polluted by every measure were Los Angeles, Bakersfield, Fresno, Visalia-Porterfield and Hanford-Corcoran, all in California; Washington-Baltimore; St. Louis; and Birmingham, Ala.
The cleanest cities were Fargo, N.D., and Salinas, Calif.
More like this
- Less air pollution reported nationwide April 28, 2005
- Southern California still most polluted May 2, 2007
- 'B' is for 'Breathe': Report measures ozone 2 comments / May 2, 2008
- Pollution choking parts of KC metro May 3, 2001
- Pollution standards threaten energy goals January 31, 2007
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