The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

An Air Quality Alert will be in effect through midnight Tuesday for Southeast Michigan, the state's Department of Environment ...

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

At 9:57 a.m. on Monday, the National Weather Service reported an air quality alert in effect until 10 p.m. for Oneida, Seneca ...

The National Weather Service reported an air quality alert at 12:35 p.m. EDT on Monday in effect until Wednesday at midnight ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

On Monday at 10:07 a.m. an air quality alert was reported by the National Weather Service in effect until Tuesday at midnight ...

The air quality is poor today in northern Illinois due to migrating Canadian wildfire smoke. See the AQI in your area.

Expect another smoggy day in metro Detroit. The Southeast Michigan Council of Governments (SEMCOG) has declared its eighth ...

Crews are battling the Max Fire, which has burned 426 acres in Fresno County with 5% containment as of 5:00 p.m. Monday.

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada ...

Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests ...