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

On Saturday, an event billed as the upper Midwest’s largest gathering of food trucks was in Minneapolis, on a day when Canada ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

An air quality statement is in effect for Toronto and the surrounding region as wildfire smoke continues to drift south, ...

Environment Canada says smoke from forest fires is causing reduced visibility and poor air quality that is expected to ...

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

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

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

The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

Hazy skies from wildfire smoke from Canada, which may become more concentrated with visibility potentially dropping to 3-5 ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those ...

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