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

The heat returns Wednesday with highs in the upper 80s to near 90 degrees. Skies are expected to be mostly sunny to partly ...

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...

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

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

Despite increased tariffs imposed by President Trump on Canadian goods, Canadian Trade Minister Dominic LeBlanc affirmed ...

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

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

Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

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

Chicago’s air quality was among the worst in the world as wildfire smoke from Canada smothered the city on Thursday, July 31, ...