Due the smoke, ash, and particulate matter in the air, heath advisory and Spare the Air alerts are now in effect for the entire Bay Area. Experts are urging people to stay indoors as much as possible and avoid strenuous exercise in smoky areas. Paper masks are created to trap large particles, such as sawdust, and will not protect your lungs from small particles such as PM2.5.
Gov. Jerry Brown issued a state of emergency Monday for Napa and Sonoma counties, among others, where 70-mile-an-hour winds fanned some of the largest fires.
The Tubbs Fire in Napa County burned 27,000 acres as of Tuesday afternoon, according to the CalFire website. The San Joaquin Valley Air Pollution Control District said smoke from that fire is most likely to cause problems in the region's foothills. "Air quality may improve at times or get worse, very quickly".
East Bay students attended classes on Wednesday.More news: Ubisoft details Assassin's Creed: Origins free and paid DLC
"We're going to see that north wind pick up again tonight and into Thursday and that means drier, warmer air", Flannigan said Wednesday. "It felt like we were lying to our parents", she said. "So, sending them home doesn't seem to be a better situation".
"We are also seeing elevated levels in San Francisco and Redwood City", says Fasano. 80 flights were cancelled as of Tuesday night, at the request of the Federal Aviation Administration, which put the airport on "a delay program, which slows the pace of arriving flights to provide greater separation between aircraft" due to visibility issues related to the smoke. Kaiser declined to give the number of patients transferred to its Oakland medical center.
The favorable weather will not last long, though. Then, Glidden said, the school district provided surgical masks, which health departments have warned are ineffective in protecting against smoke.
A number of medical calls from respiratory fatigue were made on Tuesday from schools in West Contra Costa Unified School District, which spans from Hercules to El Cerrito, said district spokesman Marcus Walton. "It's a lot of really hot fires burning in a fairly condensed area in the North Bay".