air quality September 11, 2020 6:30 pm Here's What to Know About Your Car's Air Filter Another day of horrible, unhealthy air in the Bay Area and people are scrambling to buy whatever might help. But when it comes to you or your house, what should we be doing? US & World Videos 4:17 New California law will remove restaurant surcharges 0:43 Daily marijuana use outpaces daily drinking in the US, a new study says 3:45 Scarlett Johansson responds after ‘eerily similar' voice pulled from ChatGPT 3:02 JoJo Siwa got punched during 21st birthday celebration 1:54 WATCH: Animals snack on cicadas at Chicago zoo