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 ...

Smoke from hundreds of wildfires burning across Canada has polluted skies and reduced air quality across large portions of ...

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.

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.

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 ...