state of the air 2009

• Holly Doremus
• April 30, 2009

Don’t breathe the air

For 186 million Americans, that’s the message of the American Lung Association’s State of the Air 2009 report. That’s how many Americans live in areas with unhealthful levels of ozone or particulate air pollution. The ozone problem is much worse than the Association reported last year, primarily because EPA has tightened the ozone standard. But …

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