climate change September 23, 2020 7:53 pm Monitoring Home Air Quality NBC 7’s Alexis Rivas has more details on when to replace your air filter during a wildfire. US & World Videos 2:46 San Diego beach visitors deal with chilly conditions Memorial Day weekend 0:46 Carlsbad house fire kills 1 person, injures another, closes roads 3:22 Dozens cycle in Memorial Day ‘Bouquet Ride' to honor sacrifice of fallen San Diego solider 4:40 San Diegans compile Memorial Day weekend survival guide | San Diego News Daily 3:42 Jury deliberations begin in San Diego TikToker Ali Abulaban's double-murder trial