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

Oil and Natural Gas Development in Permian Is a Key Source of Ozone Pollution in Carlsbad Caverns National Park, Study Finds July 16, 2024 — New research shows that ozone concentrations at ...

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

Stricter air-quality rules, pushed through in the last days of the Biden administration, face an uncertain future under a ...

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

In the 1970s, before chlorine and bromine became the focus of the ozone debate, scientists realized that nitrous oxide was the main source of ozone-depleting nitrogen oxide radicals in the ...

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 ...

Or really are the natural sources of ozone such that we’re not going to be able to get much more improvement because of where we live, because of the sunlight we get, because of the hot summers ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of ... Air Act were put in place in the 1970s to govern ...

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