Millions of people in California have been urged to avoid grilling on Wednesday amid concerns over high air pollution levels.

An ozone advisory has been issued for parts of Riverside County through Thursday as a heat wave affects the region, officials said Monday. According to the South Coast Air Quality Management District, ...

“Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of ...

The Michigan Department of Environment, Great Lakes and Energy issued an air quality advisory Friday night effective through ...

The Department of Natural Resources and Environmental Control warns of air that is unsafe for sensitive groups on July 5.

MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...

The Wisconsin Department of Natural Resources has issued an "Advisory for Ozone" today for six counties including Manitowoc ...

MIchigan's air quality will be unhealthy for some groups Friday and Saturday. Check the air quality index map to see if it's good or bad near you.

EDT the National Weather Service reported an air quality alert in effect until Sunday at midnight EDT for Muskegon, Ottawa, ...

The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy ...

Officials with the Arkansas Department of Energy and Environment and the Division of Environmental Quality (DEQ) have issued ...