Why is the air quality bad right now? Smoke from wildfires spreads to the Midwest, Northeast and southern California in the U ...

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

Canadian wildfire smoke blanketed the skies from the Midwest to the Northeast this week, causing air quality reading to ...

NYC's air quality suffers due to Canadian wildfires, affecting respiratory sufferers, with alerts across the US.

It's unclear whether and how Texas law enforcement will be able to work with out-of-state law enforcement to execute an ...

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

Hazy conditions will continue on Tuesday across Massachusetts, as the smoke from the Canadian wildfires continues to move ...

This is the second most severe fire season on record in Canada, according to the National Interagency Fire Center.

An air quality alert is in effect for the entire state of Maine and New Hampshire due to a thick plume of smoke from Canadian ...

A statewide health notice is in effect due to poor air quality, as smoke-filled skies continue to raise concerns across Maine ...

Millions of people were told to monitor themselves for the symptoms at least through Monday night, but possibly longer.

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...