Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become dangerous for sensitive groups.

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 ...

According to the Canadian Interagency Forest Fire Centre, 742 wildfires are currently burning in Canada, with 201 of them out ...

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 ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

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

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.