Sources

6 Total Sources

Airline Delays Washington-Chicago Flight as 2 U.S. Cities Top Global Air Pollution List

Airline Delays Washington-Chicago Flight Due to Weather, Poor Air Quality

CBS New York7d ago

Airport Delays - First Alert Weather - CBS Chicago

Chicago Air Quality Alert in effect with index at hazardous levels from Canadian wildfire smoke - ABC7 Chicago

MyStateline.com7d ago

Air quality drops to extremely hazardous levels across northern Illinois | MyStateline | WTVO WQRF News, Weather and Sports

Yahoo! Voices7d ago

Chicago air quality remains at hazardous levels from Canadian wildfire smoke

WGN TV Chicago7d ago

Poor air prompts closures, cancellations | Air Quality Alert