Smoke from the Sand Fire, centered near the towns of Guinda and Rumsey in Yolo County, has been reported Saturday night over Marin, Solano and Sonoma Counties, and even helped make sunset over San Francisco more dramatic than usual.
Smoke from the Sand Fire, which by 9 p.m. Saturday had spread to about 1,700 acres with zero containment, comes after a combination of expected sizzling temperatures, light winds and vehicle exhaust prompted the Bay Area Air Quality Management District to declare the first Spare the Air smog alert of 2019 for Sunday.
More than 500 firefighters had been sent by Saturday night to fight the Sand Fire, which was first reported at 2:50 p.m., Cal Fire said. Saturday. No structures had burned as of 9 p.m. Saturday, but residents of Yolo County Road 41 north of Rumsey have been ordered to evacuate, Cal Fire said.
The entire Bay Area will be under a "red flag warning" throughout the weekend, brought on by a combination of hot temperatures, strong winds and an abundance of dry vegetation.
No additional information was immeditaly available.