April 7, 2021 6:10 pm More Cars on the Road as COVID Restrictions Lift Leads to Worsening Air Quality Data shows air improved when traffic was low. Lolita Lopez reports for the NBC4 News on Wednesday, April 7, 2021. US & World Videos 3:06 Watch out for loopholes in ‘Price Drop Protection,' consumer warns 3:42 How scammers may try to make money off your backyard pool 4:53 Spike in car thefts in the San Fernando Valley 3:12 Los Angeles man says he was duped by Culver City plumbing business 2:46 Car thefts on the rise in the San Fernando Valley