Archive - Apr 28, 2004

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ALARanks Smoggiest U.S. Cities

Submitted by acampbell on Wed, 04/28/2004 - 20:00.

ALARanks Smoggiest U.S. Cities

April 29, 2004 - Southern California tops the list of the nation's cities and counties most threatened by air pollution, according to the American Lung Association's annual report.

This year, for the first time, the report includes "particle pollution" as well as smog. Particle pollution refers to the microscopic soot-like particles produced by power plant emissions, diesel exhausts, wood burning, and other sources.