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

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

The worst air quality in recent years occurred in June 2023, when the smoke became so thick it created an orange haze over ...

Very thick wildfire smoke will be present on Monday, impacting the air quality levels for much of New England.

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

An Air Quality Alert is in effect until 11 PM on Sunday for parts of Maine and New Hampshire due to expected high levels of ...

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

Air quality reached "unhealthy" levels in parts of western Maine on Saturday after a plume of smoke moved in overnight.

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring ...

The Maine Department of Environmental Protection has issued an Air Quality Alert for Northern Maine Tuesday due to elevated levels of particle pollution due to wildfire smoke from Canada.

Wildfires in Canada lead to a statewide air quality advisory in Michigan, with Detroit's air ranking among the worst globally ...