Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

The EPA rescinded a policy that threatened to escalate Phoenix's ozone nonattainment status. While business leaders welcome ...

“Fairfield County has certainly the worst ozone pollution, or smog pollution, in all of New England,” Canovi said. Ozone smog ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

The American Lung Association's annual report gave "F" and "D" grades for these New Jersey counties for their air pollution. See where and why.

The American Lung Association is concerned about the funding cuts being made at the U.S. Environmental Protection Agency, ...

Nearly half of Americans in the U.S. live in areas with failing air quality, according to the American Lung Association’s ...

BEIJING, April 23 (Xinhua) -- China has unveiled a plan to comprehensively strengthen its management of ozone-depleting substances and hydrofluorocarbons (HFCs) in order to address ozone layer ...

Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.

Though ozone pollution has long been a mostly ignored “also ran” greenhouse gas and air pollution source, mitigating it is worthwhile, achievable, and a win-win for planetary health ...