Pickett Fire, which began on Aug. 21, has spread to more than 6,800 acres through Napa County, just east of Santa Rosa, as of Aug. 25. The fire is 13% contained, and its cause remains under investigation, according to the California Department of Forestry and Fire Protection (Cal Fire).

More than 2,000 fire personnel are on scene Monday as the Pickett Fire continued to burn in California's Napa County for a sixth day.According to Cal Fire, the fire has burned 6,803 acres and was 17% contained as of 6:3:8 a.

The Pickett Fire in Napa County is still raging and impacting air quality across the Bay. The fire started on Thursday afternoon in a rural area North of Calistoga. It's burned through nearly 7 thousand acres and is currently 13% contained.