(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 ...

Chicago experiences persistent cold and gloom due to an atmospheric inversion, with a slight chance of rain and temperatures ...

OAKLAND, Calif. (KTVU) - The air quality wasn’t so good on Friday for the majority of the Bay Area. The average AQI was 92, or moderate, throughout the region, according to the EPA’s Air Now website.

The bottom line? A weak front early Tuesday helped to erode a good bit of the inversion layer, leading to better skies but ...

Inversion occurs when a warm layer of air acts as a lid over the valley in the winter months. ABC4’s Chief Meteorologist ...

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 ...