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 ...