You can find information about active fires in California at ActiveFireMaps.FS.Fed.us and Fire.CA.gov. The USDA Forest Service site has current and new large incident maps for the United States, MODUS and VIIRS satellite imagery and fire data in Google Earth. It also has burn scar data and educational resources.
CAL Fire has current and archived data for wildfires in California. It has information on programs such as fire protection, resource management, Returning Veterans; Enlisting Their Skills for CAL FIRE Service (R.V.E.T.S.), fire and resource assessment, and the board of forestry. It offers history, fact sheets, multimedia and resources for reporting fires.