Oak Fire containment improves as Bay Area extends air quality advisory

Cal Fire firefighters mop up hot spots after the Oak Fire moved through the area on July 25, 2022 near Jerseydale, California.
Cal Fire firefighters mop up hot spots after the Oak Fire moved through the area on July 25, 2022 near Jerseydale, California. Photo credit Justin Sullivan/Getty Images

SAN FRANCISCO (KCBS RADIO) – The Oak Fire now threatens fewer than 1,000 structures in Mariposa County as firefighters have contained more than one-third of the blaze.

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CAL FIRE announced on Wednesday night that California's largest fire this year grew to 18,824 acres, just 109 acres more than an update earlier that day. Firefighters contained 36% of the blaze, which threatened 462 fewer structures – 676 total – than earlier on Wednesday.

The Mariposa County Sheriff's Office issued three separate alerts on Wednesday downgrading evacuation orders to fire advisement alerts, enabling a number of county residents to return to their homes.

More than a dozen evacuation orders are still in effect, but CAL FIRE officials said in both releases on Wednesday that the Oak Fire is expected to be contained by Aug. 6.

Projections showed Oak Fire smoke was likely to make its way to the Bay Area on Wednesday night, although the National Weather Service Bay Area said little to none of it was expected at the surface level.

The Bay Area Air Quality Management District extended its air quality advisory into Thursday, with air quality not forecast to exceed the moderate range. A Spare the Air Alert isn't in effect, nor is it expected to with smoke likely to remain aloft.

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Featured Image Photo Credit: Justin Sullivan/Getty Images