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.

As result of severe wildfires in Canada, Minnesota is facing the longest air quality alert on record since the Minnesota ...

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

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

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

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

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

Environment Canada has issued an air quality statement for Montreal today due to smoke from wildfires in the Prairies.

Parts of the GLOW region will be under an air quality alert beginning at midnight tonight due to the effects of smoke from ...

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

Wisconsin Public Radio Unhealthy air is blanketing Wisconsin as smoke spreads from wildfires burning in Canada. As of ...