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.

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

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

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

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

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

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

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

Smoke has continued to cloud Illinois' air for a second straight day, but the poor air quality isn't because of a fire in the ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

Minneapolis faced severely degraded air quality, ranking among the worst globally due to smoke drifting from Canadian ...