Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

For the second straight day, the quality of the air in all of New Hampshire will be reduced thanks to smoke from wildfires ...

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

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

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 ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

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

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

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.

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

An air quality statement was issued for the region and much of southern Ontario because of drifting smoke from western Canada ...

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