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

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

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

Minneapolis faced hazardous air quality, ranking second-worst globally due to Canadian wildfire smoke. Air quality alerts ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

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

Smoke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

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

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

The air quality index (AQI) is predicted to be above 100 in much of New York state on Saturday, and could reach 135. Alerts ...