Dossier
northern Orange County
Coverage of northern Orange County in the Nexus archive.
- Get ready for even more air quality advisories this July 4 weekend
Southern California air quality officials warn of hazardous air during the July 4 weekend due to fireworks-related particle pollution. The advisory affects areas including downtown Los Angeles, the San Gabriel Valley, and northern Orange County, with health risks for people with respiratory conditions. The advisory lasts from 5 p.m. July 4 until 3 p.m. July 5.