Administrator Lee Zeldin denied a report from The New York Times that his department will no longer consider the cost to ...

For years, when the EPA assessed the economic impact of new regulations, it weighed both the health costs for Americans and ...

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 ...

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 ...

NASA and NOAA recently announced good news concerning the ozone hole. What are lessons about science, policy and skepticism for other challenges?

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

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 ...

An air quality alert has been issued Thursday, the first time this year an ozone action alert has been issued for the Kansas City metro, according to the Mid-America Regional Council. The poor air ...

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 ...

In New York City, air pollution is unevenly distributed among the city’s neighborhoods, often in surprising ways, according to data from the New York City Department of Health, which tracks several ...

I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early ...