Western wildfires rage in California, Oregon and Washington – in pictures

More than 85 significant wildfires are burning across the west, where a record 2.5m acres have been destroyed in the latest batch of blazes. At least seven people have died and the dense plumes of smoke have turned skies red and amber

Mormon Lake Hotshots Supt Sara Sweeney uses a drip torch to set a backfire to protect mountain communities from the Bobcat fire in the Angeles national forest on Thursday north of Monrovia, California

Photograph: David McNew/Getty Images

Oregon firefighters put out embers in Mill City, Oregon, as they battle the Santiam fire

Photograph: Kathryn Elsesser/AFP/Getty Images

Two horses left behind during the Bear fire, part of the North Lightning Complex fires, wander a smoke shrouded field as the wait to be rescued, in Berry Creek, California

Photograph: Peter Dasilva/EPA

A burnt vehicle sits on the roadside after the Bear fire, part of the North Lightning Complex fires, past through, in Feather Falls, California

Photograph: Peter Dasilva/EPA

Volunteers with the Portland mutual aid group PDX Witches deliver donated supplies to a fire command center in Molalla, Oregon

Photograph: Nathan Howard/Getty Images

A view of the San Francisco Bay Bridge under an orange overcast sky in the afternoon in San Francisco, California on Wednesday

Photograph: John G Mabanglo/EPA

A couple kisses under an orange overcast sky in the afternoon in Los Angeles, California on Thursday

Photograph: Étienne Laurent/EPA

Sandra, Daniela and Ester Reyes after wildfires destroyed a neighbourhood in Bear Creek, Phoenix, Oregon

Photograph: Carlos Barría/Reuters

A cat sits in the street in a neighbourhood affected by wildfires in Phoenix, Oregon

Photograph: Carlos Barría/Reuters

Security officials survey a neighborhood left devastated by the Almeda fire in Phoenix, Oregon.

Photograph: Adrees Latif/Reuters

A couple pose for photos by the Golden Gate Bridge at noon in San Francisco on Wednesday

Photograph: Xinhua/Rex/Shutterstock

The San Francisco skyline obscured by orange smoke

Photograph: Brittany Hosea-Small/AFP/Getty Images

The Golden Gate Bridge in the red and amber darkness, taken at noon on Wednesday

Photograph: Xinhua/Rex/Shutterstock

Butte county firefighters watch as flames tower over their truck during the Bear fire in Oroville, California

Photograph: Josh Edelson/AFP/Getty Images

Buildings engulfed in flames as a wildfire ravages the central Oregon town of Talent near Medford

Photograph: Kevin Jantzer/AP

A tanker truck sprays water on a persistent hotspot of a wildfire on a ridge, near Bonney Lake, Washington, south of Seattle

Photograph: Ted S Warren/AP

Local residents look at smoke and fire over a hill during wildfires near the town of Medford, Oregon

Photograph: Carlos Barría/Reuters

This photograph shows a smoke-darkened sky well before sunset, at about 5pm, in Salem, Oregon, on Tuesday

Photograph: Russ Casler/AP

Catherine Shields, of Silverton, Oregon, leads her horse Takoda under smoky skies in Salem

Photograph: Andrew Selsky/AP

Tinted orange by wildfire smoke from Oregon and southern Washington, the sun sets behind a hill in Kalama

Photograph: David Ryder/Getty Images

Police and fire crews 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 in Oroville, California

Photograph: Josh Edelson/AFP/Getty Images

A flock of birds rest on power lines under red skies in Oakland

Photograph: Ray ChavezMediaNews Group/The Mercury News/Getty Images

A Nasa satellite image shows wildfires in Oregon

Photograph: Maxar Technologies/Reuters

A damaged power line hangs near grass and shrubs as the sky is tinted orange by wildfire smoke in Clackamas county, Oregon

Photograph: David Ryder/Getty Images