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 ...

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

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.

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

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

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

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

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.

Most of the state will see some improved air quality levels on Wednesday. But levels will still be unhealthy for Grafton, ...

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality ...