Staci Simonich, an environmental chemist from Oregon State University whose lab group has made three trips to Beijing to study the city's air...[said on average], she's been measuring particulate levels about six times higher than those seen in the 1996 Atlanta Olympics.How bad are America's most polluted cities?
A good day in Beijing, she said, is roughly comparable to America's most polluted cities.
Saturday, August 16
How bad is that?
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