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 ...

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

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

For the full 24 hours of Aug. 3, the New York State Department of Environmental Conservation is issuing an air quality health ...

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

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

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

Federal officials have opened an investigation into Jack Smith, the former special counsel who investigated then-candidate ...

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

Near Nebo, North Carolina, three people were rescued and at least 25 others were evacuated from a campground due to rising floodwaters.

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