The explosion, followed by several smaller blasts, could be felt in the nearby community and prompted county officials to ...

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.

The Minnesota Pollution Control Agency extended an air quality alert for southeastern and northern Minnesota on Tuesday due to lingering ground-level smoke from the wildfires in Canada.

Poor air qualityLONG TERM: More humidity and stormsWAUSAU, Wis. (WSAW) - While not everyone will get rain on Tuesday, those ...

NASA's vivid simulation shows how sea salt, dust, smoke, and sulfates from pollution and volcanoes spread across thousands of ...

Smoke will be transported by the wind, in the same direction, from active wildfire sites. In consequence, neighboring ...

An air quality advisory has been issued in the Bay Area for Tuesday due to wildfire smoke drifting in from the Gifford Fire ...