(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 ...

A shallow marine inversion kept polluted air trapped in the L.A. Basin for days. (Paul Duginski / Los Angeles Times) One good thing about Santa Ana winds: They really clear the air. During the first ...

SOUTH LAKE TAHOE, Calif. — An inversion has formed at Lake Tahoe. Tahoe’s mountaintops are peaking out above the inversion layer Friday morning. Inversions are stable air masses where cooler air is ...

SAN DIEGO (KGTV) — The foggy season has arrived in San Diego, often called May Gray and June Gloom. But how does it form, and why does it clear some days and not others? Let’s start with why we see ...