Particle pollution, ozone and wildfire smoke all taint the air you breathe and put your health at risk. "Nearly everyone on ...

The U.S. Environmental Protection Agency is proposing to find that the region now meets the 2015 federal ozone standard after ...

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 ...

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 ...

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

TOLEDO, Ohio — The Toledo Metropolitan Area Council of Governments (TMACOG), as well as the city of Toledo, is warning the public of health risks that come with increased ground-level ozone in the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Visalia is once again among the worst in the nation for ozone and particle pollution, harmful pollutants and the “main ingredient ...

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 ...