There’s one night of the year where celebrations across the United States light up the map like no other. It’s the Fourth of ...

Santa Ana Mountains/Foothills, Orange County Coast, Orange County, San Bernardino and Riverside County Valleys and San Gorgonio Pass Near Banning are under an air quality alert which was reported ...

At 1:58 p.m. on Wednesday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Saturday at 11 p.m.

Parts of San Diego's skies are contaminated with harmful particles. The National Weather Service has issued an urgent alert, check if yours is on the list.

It was a far cry from what the founders of the Crescenta Valley envisioned. In the late 1800s, lung diseases like tuberculosis, bronchitis and asthma were epidemic, made worse by industrial pollution ...

Rheumatoid arthritis affects everyone differently, but pain, inflammation, and stiffness often occur in several particular joints. Here’s what you can do to treat them.