Currently, counties must have an adjusted daily rate at or below seven new coronavirus cases per 100,000 people to move into the more permissive red tier. What businesses reopen in the red tier? Museums, zoos and aquariums can open indoor activities at 25% capacity, and nonessential stores and libraries can open at 50% capacity, up from 25% capacity. AdvertisementSanta Clara, San Francisco, San Luis Obispo, El Dorado, Napa, Lassen and Modoc entered the red tier last week. Del Norte, Humboldt, Trinity, Shasta, Plumas, Yolo, Marin, San Mateo and Mariposa counties were already in the red tier.

Source: Los Angeles Times March 09, 2021 16:57 UTC