Due to the heat wave, the South Coast Air Quality Management District issued an ozone advisory Tuesday in multiple Southern California counties, including parts of Riverside County. Air quality ...

Amid a heat wave, some Southern California residents are expected to experience potentially dangerous air quality on Tuesday.

The advisory was extended through 7 p.m. Wednesday by the South Coast Air Quality Management District. It includes most of Los Angeles, Orange and Riverside counties in the South Coast Air Basin ...

Southern California ... Fire in Orange County also worsened the air quality near the Santa Ana Mountains as it rapidly spread through the area and encroached into Riverside County, where it ...

There are currently reported to be at least 10 active large fires blazing across California, including the latest that broke in Ventura County, Riverside ... will affect air quality, Ready.gov ...