This year’s “State of the Air” Report found that ground-level ozone pollution is getting worse – strikingly worse. This ...

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

“Although cleanup of ozone precursor pollutants from industrial, power generation, and mobile sources has been working to ...

Multiple Texas metroplexes, including Dallas-Fort Worth, ranked among some of the worst areas for ozone pollution in the ...

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

About 46% of U.S. residents — 156 million people — lived in areas with unhealthy air quality that earned “F” grades from the ...

Baltimore County received an "F" for ozone smog, according to a 2025 report on air quality from the American Lung Association ...

The Utah metro area ranked as a metro with the 9th most high ozone days in the nation according to a new report.