When the catastrophic Los Angeles fires broke out, John Volckens suspected firefighters and residents were breathing toxic ...

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

Various popular weather apps across Chicago showed that the air was unsafe to breathe early Wednesday morning, prompting ...

Contributing: Eduardo Cuevas, John Bacon, Michelle Maltais, USA TODAY This article originally appeared on USA TODAY: Los Angeles air quality and smoke maps: See latest AQI numbers in Southern ...

When a horrific firestorm enveloped Southern California in January, it affected everyone who calls the region home. Even ...

the air quality index (AQI) in the Los Angeles area is listed as "Unhealthy" measuring at 188 PM2.5. The site's recommendation for this AQI level is to minimize outdoor activity, especially if you ...

The American Lung Association’s report ranks the Atlanta metro area as the third-worst in the Southeast for ozone pollution.

Schaben/Los Angeles Times via Getty Images ... a professor of environmental health sciences at UCLA. In fact, the AQI could be in a healthy range, “but you could still be exposed to higher air toxins ...

ABC News joined The Arbor Day Foundation and the Altadena nonprofit Amigos de los Rios to discuss replanting and preserving ...

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

Health officials are warning residents to avoid swimming, surfing and playing in ocean water at several Los Angeles County beaches due to bacterial levels exceeding state health standards. These ...