Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...

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

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

There are no air quality alerts for New Jersey on Wednesday with the thickest smoke expected to remain north and west of the ...

Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

Each New England state has seen an uptick in the number of days over the last five years when fine particulate matter (PM2.5) ...

The satellite imagery shows the wildfire smoke as a fuzzy white look on the images. The wildfire smoke is thick just to ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

The weather pattern over the Northeastern U.S. has been "stuck" lately, with a strong area of high pressure acting as a ...