There are reports of over 28 major fires across California, which is experiencing a historic heatwave with 14,000 firefighters battling the blazes.
Wednesday saw strong winds blow smoke and ash from the northern parts of the state resulting in residents of San Francisco area waking up to dark skies making some think it was still night time.
In California, this year wildfires have burned more than 2.5 million acres. As fires continue to burn, forecasters expect similar conditions in the coming days.
5. A woman walks along The Embarcadero.
A woman walks along The Embarcadero under an orange smoke-filled sky in San Francisco. Photo: Brittany Horsea-Small
6. An orange sky filled with wildfire smoke.
An orange sky filled with wildfire smoke hangs above hiking trails at the Limeridge Open Space in Concord. Photo: Brittany Hosea-Small
7. Cars drive along the San Francisco Bay Bridge.
Cars drive along the San Francisco Bay Bridge under an orange smoke filled sky at midday. Photo: Harold Postic
8. A hazy San Francisco skyline.
A hazy San Francisco skyline is seen from Dolores Park. Photo: Brittany Hosea-Small