American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

About 46% of U.S. residents — 156 million people — lived in areas with unhealthy air quality that earned “F” grades from the American Lung Association for ozone or particle pollution.

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution.

When the first Earth Day was held on April 22, 1970, the founders — U.S. Senator Gaylord Nelson (D-WI) and activist Denis Hayes — ...

but nearly half of Americans still live with unhealthy air pollution, a new report finds. The report comes as the Trump administration is considering rolling back some key air quality regulations.

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.

How much do you know about air pollution? Visit this link to the 23ABC Instagram post, where you can put your knowledge to the test! It’s Earth Day, and Heather Heinks with the Valley Air ...

but nearly half of Americans still live with unhealthy air pollution, a new report finds. The report comes as the Trump administration is considering rolling back some key air quality regulations. Air ...