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 ...

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

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 ...

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

The iconic skyline of downtown Los Angeles ... The “State of the Air” report from the association has been handing out grades to American cities based on their air quality for the past 26 ...

Volckens shipped 10 air pollution detectors to Los Angeles to measure the amounts of heavy metals, benzene, and other chemicals released by the flames, which burned more than 16,000 homes, businesses, ...

More than 156 million Americans live among unhealthy levels of air pollution, an annual report from the American Lung Association found.

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

Americans have been living with questionable air quality longer than they know ... Nevada-California, Los Angeles-Long Beach, California, Yakima, Washington, Seattle-Tacoma, Washington, and ...

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