“Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to ...

"Breathing in the Canadian wildfires smoke cannot be the new normal," said Candice Miller, Macomb County public works ...

The state of Minnesota is entering another in a long string of summer days marred by air quality alerts. Poor air quality ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

The Iowa Department of Natural Resources reported Friday that air quality in Iowa will be at levels “unhealthy for sensitive ...

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

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

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

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

Smoke from Canadian wildfires prompted a special air‑quality statement for Toronto and warnings nationwide, urging residents to limit outdoor time amid poor air and hazy skies.

Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.

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