Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

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 ...

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

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

Smoke from wildfires burning in Canada has caused air quality alerts for parts of New York state, including New York City.

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

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

Having breathing trouble today? Canadian wildfire smoke is drifting across Ohio today, dropping the air quality in parts of ...

Smoke from wildfires burning across Canada are bringing hazy conditions to the area, and all of eastern Pennsylvania is under ...

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.

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's what to know.

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