Reno and other Nevada cities ranked worse than Los Angeles for air pollution, according to the American Lung Association’s ...

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

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

Out of the California cities that ranked the worst for ozone and particle pollution in 2025, the Fresno and Sacramento ...

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American ...

The most recent State of the Air report by the American Lung Association found that more than 150 million Americans breathe ...

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

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Air pollution levels keep getting worse for more ... Eugene-Springfield, OR5. Los Angeles-Long Beach, CA6. Detroit-Warren-Ann Arbor, MI (tied for 6th)6. San Jose-San Francisco-Oakland, CA (tied ...