National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

Chicago officially had the worst air quality in the world for a few hours Thursday. As a haze of Canadian wildfire smoke ...

Air quality was impacted in a big way by Canadian wildfire smoke in the Chicago area Thursday, but how long could that smoke ...

Tuesday will feature plenty of sunshine, although it'll be hazy sunshine due to wildfire smoke. A few stray showers or storms ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...

Smoke from Canadian wildfires settled over Chicago Thursday, with air quality reaching “unhealthy” levels for everyone. Air ...

Wildfire smoke from Canada and the western US has drifted over the Great Lakes, causing hazardous air quality in Chicago, Minneapolis, and Green Bay. Fine particles in the smoke pose health risks, ...

Temperatures are climbing into the 80s this week, with highs expected to hit 90° by the weekend. Wildfire smoke will continue ...

Chicago had the worst air quality in the world on Thursday. There is an Air Quality Alert for most of the area through Friday. ABC7 Chicago is now streaming 24/7. Click here to watch The air quality ...

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...