Ozone pollution isn’t just a summer story anymore. In parts of northern China, high ozone levels are now appearing during winter—an alarming twist that defies decades of air quality science. This ...

Research reveals climate-driven pollution will surge, increasing air quality alerts and highlighting the need for protective ...

More than one-third of Americans live in places with unhealthy levels of air pollution, according to an annual report published by the American Lung Association. The 24th iteration of the State of the ...

After years of failing to meet Clean Air Act standards, metro Phoenix won its argument that nonlocal ozone shouldn't count.

Officials warn southeast Michigan residents to be careful outdoors Tuesday because of expected high ozone pollution levels. The Southeast Michigan Council of Governments issued an air quality advisory ...

San Diego's ozone pollution is among the worst in the U.S., making it one of the smoggiest areas in the country, according to a new report from the American Lung Association. Why it matters: Air ...

Add Yahoo as a preferred source to see more of our stories on Google. The American Lung Association’s 26th annual “State of the Air” report finds that nearly half of the U.S. population is living in ...

MINNEAPOLIS — The Minnesota Pollution Control Agency has issued an air quality alert for several parts of Minnesota, including the Twin Cities. The alert, which was issued due to ozone concerns, will ...

A view of Interstate 95 in Downtown Bridgeport and the Pequonnock River from the East Side neighborhood on Wednesday, July 26, 2023. Credit: Joe Buglewicz / Connecticut Public Fairfield County, ...