Law enforcement and fire personnel wait on the Enterprise Bridge to enter an area encroached by fire during the Bear fire, part of the North Lightning Complex fires, in unincorporated Butte County, in Oroville, California. AFP
The Golden Gate Bridge is seen at 11 a.m. PT amid a smoky, orange hue caused by the ongoing wildfires, in San Francisco. AP
A plume rises from the Bear Fire as it burns along Lake Oroville, in Butte County, California. AP Photo
People stand in Alamo Square Park as smoke hangs over San Francisco, California, U.S. Bloomberg
Under darkened skies from wildfire smoke, a man crosses Hyde Street with Alcatraz Island and Fisherman's Wharf in the background, in San Francisco. AP Photo
Firefighters watch the Bear Fire approach in Oroville, California. AP Photo
People stop at Fort Point to take morning pictures of the Golden Gate Bridge covered in smoke from wildfires, in San Francisco. AP Photo
The skyline in the distance behind Crissy Field is barely visible with smoke from wildfires, in San Francisco. AP Photo
Cars drive along Ygnacio Valley Road below an orange sky filled with wildfire smoke in Concord, California, as a hazy-looking Walnut Creek can be seen in the distance through the smoke. AFP
Inmate firefighters take a rest during the Bear fire, part of the North Lightning Complex fires, in unincorporated Butte County, California. AFP
Under darkened skies from wildfire smoke, people walk at Fisherman's Wharf, in San Francisco. AP Photo
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this natural color image of thick smoke plumes streaming west from a long line of intense fires in Washington state, Oregon and California. AFP
Under darkened skies from wildfire smoke, a waiter carries a tray of Irish Coffee to people having lunch at the Buena Vista Cafe, in San Francisco. AP Photo
The San Francisco skyline is obscured in orange smoke and haze as their seen from Treasure Island in San Francisco, California. AFP
The San Francisco Bay Bridge and city skyline are obscured in orange smoke and haze as their seen from Treasure Island in San Francisco, California. AFP
The San Francisco Bay Bridge is seen along Harrison Street under an orange smoke-filled sky in San Francisco, California. AFP
Cars drive along the San Francisco Bay Bridge under an orange smoke filled sky at midday in San Francisco, California. AFP
People relax under an orange smoke-filled sky at Dolores Park in San Francisco, California. AFP
A person uses a mobile phone to take a photograph of smoke hanging over buildings in San Francisco, California, U.S. Bloomberg
Law enforcement and fire personnel wait on the Enterprise Bridge to enter an area encroached by fire during the Bear fire, part of the North Lightning Complex fires, in unincorporated Butte County, in Oroville, California. AFP
The Golden Gate Bridge is seen at 11 a.m. PT amid a smoky, orange hue caused by the ongoing wildfires, in San Francisco. AP
A plume rises from the Bear Fire as it burns along Lake Oroville, in Butte County, California. AP Photo
People stand in Alamo Square Park as smoke hangs over San Francisco, California, U.S. Bloomberg
Under darkened skies from wildfire smoke, a man crosses Hyde Street with Alcatraz Island and Fisherman's Wharf in the background, in San Francisco. AP Photo
Firefighters watch the Bear Fire approach in Oroville, California. AP Photo
People stop at Fort Point to take morning pictures of the Golden Gate Bridge covered in smoke from wildfires, in San Francisco. AP Photo
The skyline in the distance behind Crissy Field is barely visible with smoke from wildfires, in San Francisco. AP Photo
Cars drive along Ygnacio Valley Road below an orange sky filled with wildfire smoke in Concord, California, as a hazy-looking Walnut Creek can be seen in the distance through the smoke. AFP
Inmate firefighters take a rest during the Bear fire, part of the North Lightning Complex fires, in unincorporated Butte County, California. AFP
Under darkened skies from wildfire smoke, people walk at Fisherman's Wharf, in San Francisco. AP Photo
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this natural color image of thick smoke plumes streaming west from a long line of intense fires in Washington state, Oregon and California. AFP
Under darkened skies from wildfire smoke, a waiter carries a tray of Irish Coffee to people having lunch at the Buena Vista Cafe, in San Francisco. AP Photo
The San Francisco skyline is obscured in orange smoke and haze as their seen from Treasure Island in San Francisco, California. AFP
The San Francisco Bay Bridge and city skyline are obscured in orange smoke and haze as their seen from Treasure Island in San Francisco, California. AFP
The San Francisco Bay Bridge is seen along Harrison Street under an orange smoke-filled sky in San Francisco, California. AFP
Cars drive along the San Francisco Bay Bridge under an orange smoke filled sky at midday in San Francisco, California. AFP
People relax under an orange smoke-filled sky at Dolores Park in San Francisco, California. AFP
A person uses a mobile phone to take a photograph of smoke hanging over buildings in San Francisco, California, U.S. Bloomberg
Law enforcement and fire personnel wait on the Enterprise Bridge to enter an area encroached by fire during the Bear fire, part of the North Lightning Complex fires, in unincorporated Butte County, in Oroville, California. AFP