Duluth, North Shore are in a Very Unhealthy Air Quality Alert, with the rest of Minnesota under a Red AQI. Wisconsin reports ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

An Air Quality Action Day has been issued for several northern Indiana cities on Friday due to Canadian wildfire smoke.

This article originally appeared on Milwaukee Journal Sentinel: Wisconsin air quality alert extended to noon Aug. 2; wildlife ...

Canadian wildfire hangs over Michigan, creating hazy skies in the Lower Peninsula. A statewide advisory has extended into the weekend.

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 was listed as the worst air quality in the world for part of Aug. 1 because of smoke from the fires blowing southeast ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to persist for several days.

Canadian wildfire smoke creates health risks in Minnesota. Poor air quality spreads statewide, prompting a Weather Impact ...

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, ...

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