BOSTON - If you're wondering why it smelled like smoke from northeastern Massachusetts all the way down to the Boston area Monday, it was the brush fires in Salem and something known as an "inversion.

(WGHP) – After a train with cars containing toxic chemicals derailed in East Palestine, Ohio, on Sunday, officials scheduled a controlled release to avoid an explosion. The controlled release created ...

AND IN SACRAMENTO, JUST SOME LOW LYING CLOUDS. HIGH PRESSURE IS AROUND. THAT’S WHAT’S RESPONSIBLE FOR THE INVERSION. AND IT IS ONE OF THE STRONGEST INVERSIONS OF THIS TIME OF THE YEAR. SO WHAT EXACTLY ...