One of the world's most active volcanoes, Kilauea, began erupting Monday at approximately 2 a.m. HST on Hawaii's Big Island, prompting health warnings as volcanic smog threatened downwind ...

Dominant trade wind conditions generally send tephra and volcanic gas southwest over the remote Ka‘u Desert. Eruption viewing areas within the national park are unaffected, but there can be decreased ...

Smoke from Canadian wildfires is making its way to Massachusetts, causing hazy skies and air quality concerns over the next few days.StormTeam 5 meteorologist Kelly Ann Cicalese explains the ...

Some air quality issues around Omaha, but rain kept the air for getting unhealthy. Super nice weather on the way for Wednesday. Some air quality issues around Omaha, but rain kept the air for ...

DEC issues air quality advisory for Hudson Valley. The advisory on Wednesday affects Orange, Ulster, Dutchess, Sullivan, Putnam, Rockland and Westchester counties.

There are concerns about how the poor air conditions could impact tourism for communities throughout the Northland. For the past few years, Minnesota has seen a steady rise in more air quality ...

This story was updated to add new information. Fallout from the over 100 wildfires currently blazing across Canada is again being felt by U.S. states.. There were 181 active fires in Canada as of ...

Wildfire smoke from Canada is expected to cause hazy skies and potential air quality issues in Massachusetts, particularly midweek as temperatures rise to near 90°F.

EPA issues air quality warnings. Mary Walrath-Holdridge. USA TODAY. Hear this story. Fallout from the over 100 wildfires currently blazing across Canada is again being felt by U.S. states.

A sign warns of an air quality alert as smoke from wildfires burning in Canada reaches Minneapolis on Tuesday. The smoke is expected to affect Maine’s air quality on Wednesday and Thursday. Mark ...