CHICAGO (WLS) -- The Chicago area was under an air quality alert Wednesday due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking around the ...

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled conditions deemed unhealthy by the federal government. The fires have forced ...

Moderate particulate matter levels were hitting areas across the state Wednesday morning, including in the Capital Region and ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

Tomorrow: Mostly sunny. High near 77F. Winds NE at 5 to 15 mph. Tomorrow night: Partly cloudy early with increasing clouds ...

Check here for live weather updates and to see active tornado or flooding alerts, power outages and live weather radar in ...

Iowans — especially those with heart and lung disease — should avoid long or intense activities and take extra breaks during strenuous activity outdoors in areas where air quality is rated unhealthy.

The Iowa Department of Natural Resources warned that air quality in a band from the state's southwest corner to the northeast could fall into the unhealthy category through Thursday morning.

Evacuations for Webequie First Nation, in Nipigon, where the fires have blackened 8,000 hectares, were carried out last week, ...

An Air Quality Health Alert was issued for millions of Americans, urging them to stay indoors if possible. Officials said those with respiratory issues are most at risk.