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State Air Quality Improves, Sacramento Pollution Still High

State Air Quality Improves, Sacramento Pollution Still High

State officials say while overall air quality in California has improved significantly over the past decade, about a third of the population lives where pollution is in excess of federal health standards.

The Los Angeles Times says smog levels fell 15 percent to 20 percent in urban areas since 2003.

But levels remain above federal health standards in parts of greater Los Angeles, the San Joaquin Valley, Sacramento and San Diego.

Of the state's five biggest urban areas, only the San Francisco Bay area meets all federal standards for ozone -- the worst component of smog -- and fine particulate matter, or soot.

 

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