Particulate matter from wildfire smoke could cause issues for sensitive groups, including elderly people, pregnant people, young children, outdoor workers and those with breathing issues.

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

An air quality advisory that was set to last through Monday has been lifted, air district officials said. Over the weekend, ...

The Bay Area Air District extended an air quality advisory through Monday because of smoke from wildfires burning in the ...

Among the problems: hundreds of lab samples went unprocessed for more than two weeks and surgical staff had no hot water to ...

Freeway north of LA is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather ...

Smoke is drifting south from wildfires in Canada and a group of lawmakers had asked the Canadian ambassador about her ...

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert statewide Sunday until ...

The Butte County Air Quality Management District and Butte County Public Health have issued a joint air quality advisory due ...

Smoke from the Green Fire and other wildfires burning in and near Shasta County are polluting the air over the North State. ...

Haw River Assembly Water Quality Manager Kaitlyn Elliott spoke with 97.9 The Hill's Andrew Stuckey on Wednesday, July 9.