February 22, 2021 5:02 pm C02 Monitors Can Be Part of Indoor Coronavirus Fight NBC 7’s Claudette Stefanian spoke to an epidemiologist about how the monitors work. US & World Videos 2:38 Meet the pair of giant pandas coming to the San Diego Zoo from China 3:50 Small plane crashes into El Cajon neighborhood, pilot injured 2:05 Greg Bledsoe's evening forecast for April 29, 2024 1:25 SDSU gives campus tour to local students 10:00 Small plane crashes into El Cajon neighborhood | San Diego News Daily