The Hughes Fire has spread over 8,096 acres after starting just before lunchtime in Los Angeles County's Castaic Lake area on Wednesday.

Smoke is drifting to cities miles away from where five major wildfires are burning in Los Angeles County, prompting several air quality alerts, but will it reach San Diego County?

Roughly 31,000 people were ordered to flee an area north of Los Angeles on Wednesday after a fast-moving wildfire exploded, growing to more than 9,000 acres within hours, officials said.