Health Buzz: U.S. Air Quality Better, But Still Unhealthy – U.S. News & World Report

Health Buzz: U.S. Air Quality Better, But Still Unhealthy
U.S. News & World Report
Bakersfield, Calif., has the worst pollution in terms of pollutants that are airborne particles such as soot and ash—and more than 50000 of the city's 800000 residents have asthma. The 25 smoggiest cities all saw improvements in air quality over the …

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