The Chicago area has experienced several days of pleasant temperatures, but the mercury will be trending upward again in ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

CHICAGO (WLS) -- Air Quality Alerts remain in effect for the Chicago area Friday due to smoke from Canadian wildfires.

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

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

Chicago is under an Air Quality Alert today because of wildfire smoke. Officials recommend reducing outdoor activity and checking on those most at risk. CHICAGO - Chicago's air quality reached an ...

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

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

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

Smoke from Canadian wildfires continues to choke the skies over the Upper Midwest this weekend, with the milky haze even ...