Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, ...

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

BIRMINGHAM, Ala. - The American Lung Association's latest "State of the Air" report reveals a troubling decline in air ...

St. Louis, Missouri, was ranked 21st worst city across the country for its ozone levels this year, while Kansas City was ...

A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate ...

“State of the Air” uses letter grades to measure unhealthy levels of ground-level ozone air pollution (also known as smog), ...

While some people were surprised by the rating, others could see why the American Lung Association rated the county's air so poorly.

The Wheeling, WV-OH metro area has seen a decline in air quality, with the area now ranking 130th worst in the country for ...

Louisville continues to struggle with poor air quality, according to a new report, as federal support is eroded.

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