Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Wildfire smoke has pushed Chicago's air quality into the "unhealthy" zone. It's so bad, in fact, that we're the most polluted ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

The air quality index (AQI) dropped below 100 overnight, meaning the air quality is now “unhealthy for some” across a good portion of northern Illinois. Those with heart and lung ...

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

An Illinois Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate ...

West-central Illinois is under a "moderate" air quality rating as smoke from Canadian wildfires drifts down into the Midwest.

Dr. Steve Arnold, a pulmonologist at Decatur Memorial Hospital, says for the last few days the air quality index has been bad ...

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

Air quality levels across the Stateline this morning are back down to level 2 of 6 “moderate” levels. There are even a few locales up in southern Wisconsin where the Air Quality Index ...