Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

ROANOKE, Va. – Nearly half of the U.S. population is now living with unhealthy levels of air pollution. The primary culprits are extreme heat, persistent droughts, and increasingly frequent wildfires.

CINCINNATI (WXIX) - Nearly half of Americans are living under air-polluted skies, and Cincinnatians are among those experiencing some of the worst air pollution in the U.S. The American Lung ...

Tehran has been ranked the world's most polluted city with an Air Quality Index of 233, according to Swiss-based air quality monitor IQAir, as critical pollution levels affect all monitoring stations ...

A decade-long study reveals that specific pollutants, especially from industry and residential fuels, are linked to declines in memory, executive function, and language skills in older adults. Study: ...

Getting your Trinity Audio player ready... The Front Range recorded its lowest ozone levels in 16 years this summer, but the region still needs to reduce air pollution to escape federal oversight that ...