An annual report from the American Lung Assn. showed that Los Angeles has improved its air quality but still deserves its ...

L.A. may be getting bad press as the smoggiest U.S. city, but let’s face it—we’re far from the only place dealing with ...

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle ...

The association's annual State of the Air report ... pollution. Los Angeles-Long Beach was found to have the worst ozone, or smog, pollution in the country. Five areas of California were listed ...

LOS ANGELES (CNS) -- The Los Angeles-Long Beach area ranked as the nation's smoggiest region in a report released Wednesday ...

Fresno ranked third among the worst U.S. cities for air pollution, according to the American Lung Association’s annual State ...

Residents across New York and New Jersey are dealing with poorer air quality than usual, but a new report revealed that even ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

Despite the lackluster results, a dozen California cities including Los Angeles posted their best-ever reports on either ozone or particle pollution, said Mariela Ruacho, a senior clean air ...

The Bakersfield-Delano metro is the worst in the nation when it comes to particle pollution. The Los ... air pollutants: fine particles and ozone. Ozone pollution isn’t just a California problem ...