The Ventura County fire just north of Los Angeles was initially estimated to be 3 acres, but has since burned 50 acres.

The ash and dust warning comes after the Southern California ... map from Cal Fire shows areas that are under evacuation orders due to the Laguna Fire, which broke out Thursday morning in Camarillo.

The locations of several currently-burning fires in Southern California are pictured in this map image from Cal Fire ... An evacuation center was established at Camarillo Community Center ...

A new fire, dubbed the Hughes Fire, in northern Los Angeles County caused another round of thousands of evacuations in Southern California ... Road and Lewis Road, Camarillo, according to Cal ...

Night - Partly cloudy. Winds from NW to NE at 7 to 9 mph (11.3 to 14.5 kph). The overnight low will be 48 °F (8.9 °C). Sunny with a high of 79 °F (26.1 °C). Winds from NE to ENE at 9 to 16 mph ...

Authorities reported Thursday morning that crews were "aggressively attacking" a brush fire named Laguna that was engulfing the hills behind the CSU Channel Islands campus near Camarillo. The fire was ...

Below is a map of the impacted area: The Clay Fire map can be seen in this photo. (Photo from the California Department of Forestry and Fire Protection) The Clay Fire map can be seen in this photo.