Cal Fire's new maps for Southern California added 3.5 million acres into fire-hazard zones, increasing the acreage in the highest hazard zone by 26%.

Two months after the most destructive wildfires in Los Angeles history, Cal Fire has released updated Fire Hazard Severity Zone maps for the county. The surveys use various criteria to identify wildfire hazard areas and rank them on a three-tiered scale.

LOS ANGELES - Cal Fire just released their updated Fire Hazard Severity Zone Maps for Los Angeles County . The state goes through this process every ten years or so, and it's meant not only to decide where resources are needed, but also to update clearance or home building requirements.