The blazes come amid prolonged dry and hot conditions in the western United States which have also led to fires in Washington state, Oregon and Idaho.
A fire engine drives past a fire on a highway near Fresno, California (Noah Berger/AP)
A car sits burnt out after a blaze near Brewster, Washington (Tyler Tjomsland/The Spokesman-Review/AP)
San Francisco’s Golden Gate Bridge is barely visible through smoke from nearby fires (Eric Risberg/AP)
A scorched car rests in a clearing following the Bear Fire in California (Noah Berger/AP)
A Coast Guard helicopter flies above the setting sun while patrolling the waters near the Golden Gate Bridge (Jose Carlos Fajardo/Bay Area News Group/AP)
Three chairs are all that remain at the post office in Gates, Oregon (Mark Ylen/Albany Democrat-Herald/AP)
Firefighters watch a fire approach in Oroville, Calif, California (Noah Berger/AP)
Smoke from California wildfires obscures the sky over Oracle Park as the Seattle Mariners take batting practice before their baseball game against the San Francisco Giants (Tony Avelar/AP)
A man takes pictures of the sun through thick smoke in San Dimas, California (Jae C Hong/AP)
Flames shoot from a home in Butte County, California (Noah Berger/AP)