(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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A shallow marine inversion kept polluted air trapped in the L.A. Basin for days. (Paul Duginski / Los Angeles Times) One good ...

Air pollution has plagued Southern California for as long as people have been writing about the region. A blanket of haze hung over the land that would become Los Angeles on October 8, 1542, when ...

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 ...

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 National Institute of Environmental Research under the Ministry of Climate, Energy and Environment said on the 7th that ultrafine dust was at a "bad" level in Seoul, Incheon, southern Gyeonggi, ...