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

The return of wildfire smoke from fires burning in Canada has sparked another air quality alert in Minnesota, which will be ...

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect ...

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

This is why even without the presence of smoke, many sunrises and sunsets appear yellow or orange. Smoke particles in the sky ...

Tuesday will be a 7 on Santom's Sky Scale due to cooler-than-normal temperatures as well as more wildfire smoke.

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

MAINE, USA — Multiple fire departments have suspended burn permits Saturday due to high risks of fire in southern regions of ...

Temperatures are expected to climb into the low 90s by Monday afternoon in New York City, Boston and Washington, D.C.

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

Cal Fire crews are working to contain a fire that sparked in an area with steep and dense terrain in Yuba County on Sunday.

Monday's air quality has dropped to unhealthy levels in Las Vegas, when the AQI index is between 151 to 200. Anyone outdoors ...