A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

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

Millions are under air quality alerts as wildfire smoke blankets large swaths of U.S. Millions of people across the Upper ...

Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest are under air quality alerts ...

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

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

The Maine Department of Environmental Protection is issuing an air quality alert for the weekend due to smoke from wildfires ...

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

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 ...

Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.

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 ...