This past Thursday should have been a beautiful day, a day to throw open the windows and putter in the garden, long-awaited ...

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

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

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

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

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

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

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

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

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 ...

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

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