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

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.

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 ...

The Pennsylvania Department of Environmental Protection has declared a Code Orange Air Quality Action Day for ozone for Monday in Lehigh and Northampton counties. On Monday a large area of high ...

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 ...

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

When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people ...