Air Quality September 21, 2023 11:09 am Eyes on air quality ahead of 49ers-Giants game at Levi's Stadium The Bay Area’s poor air quality is adding an extra twist to the San Francisco 49ers’ home opener in Santa Clara Thursday night. Bob Redell reports. US & World Videos 2:21 Memorial held for late Yoshihiro “Yosh” Uchida 2:31 Hundreds gather at Harris fundraiser 0:46 Paramedic injured during ambulance vandalism 3:06 SF mayoral candidates address Latino community 3:47 ‘Pet-A-Palooza' in Millbrae