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

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

A smaller snowpack in Canada has left forests primed to burn, starting wildfire season earlier than normal in recent years.

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

Smoke from forest fires is causing reduced visibility and poor air quality that is expected to persist into Sunday ...

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

Environment Canada says smoke from forest fires is expected to travel to southern Ontario Saturday afternoon and is likely to ...

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.

An outdoor summer event for hundreds of children in Winnipeg has been cancelled over health concerns about heavy wildfire ...

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

Wildfire smoke from the Prairies is drifting towards the Greater Toronto Area, prompting Environment Canada to issue a ...