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 ...

Millions of people across the Upper Midwest and the Northeast are under air quality alerts Monday, as smoke from wildfires in ...

Canadian wildfire smoke made the air quality "unhealthy" in northern Maine and "unhealthy for sensitive groups" in western ...

After a hazy end to the weekend, wildfire smoke will continue to pass through Maine in moderate to high amounts today.

Hazy conditions will continue on Tuesday across Massachusetts, as the smoke from the Canadian wildfires continues to move ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the Great Lakes states including Wisconsin, Michigan, and Minnesota. Parts of ...

Viewers shared snapshots of hazy skies as Canadian wildfire smoke continues to impact air quality in parts of Maine.

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

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

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

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

New York City air quality is dropping as Canadian forest-fire smoke swirls down the Hudson River, shrouding much of the ...