Chicago had the worst air quality in the world for a few hours Thursday, thanks to smoke from Canadian wildfires.

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

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

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

National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

Andrew Benintendi, Lenyn Sosa, Colson Montgomery and Josh Rojas homered for the Chicago White Sox in a 6-3 victory against ...

Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...

Chicago faces health concerns due to smoke from Canadian wildfires, leading to an "unhealthy" air quality alert.

Illinois residents are urged to reduce pollution levels. The air quality is expected to improve by Saturday, according to the National Weather Service. Hannah Hudnall covers trending news for the USA ...

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 ...

The Chicago Cubs will host the 2027 MLB All-Star Game at Wrigley Field, the first time since 1990, after completing renovations and security enhancements.

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy, ...