wildfires September 10, 2020 11:22 am Smoke and Ash Push Spare the Air Alert Through Friday The murky haze of smoke and ash over the Bay Area is expected to linger, prompting air district officials to extend a Spare the Air alert through Friday. Bob Redell reports. US & World Videos 5:57 San Francisco is trying to ban cancer-causing chemicals in firefighter gear, but are alternatives safe? 1:53 5 sports icons inducted into the Bay Area Sports Hall of Fame 3:16 San Francisco mom highlights student safety on Muni after alleged anti-Asian attack 0:24 Murder suspect arrested following neighborhood lockdown in Antioch 2:50 Israel-Hamas ceasefire negotiations underway