Student Sander Albertson, from Minnesota, wears a face mask outdoors with his friends at the Griffith Observatory in Los Angeles, Monday, May 17, 2021. California is keeping its rules for wearing face masks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)

Visitors are seen without face masks at the Griffith Observatory in Los Angeles, Monday, May 17, 2021. California is keeping its rules for wearing face masks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)

Visitors wear face masks outdoors while taking pictures of the Hollywood sign at the Griffith Observatory in Los Angeles, Monday, May 17, 2021. California is keeping its rules for wearing facemarks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)

Los Angeles Park Rangers wears facemasks at the the Griffith Observatory in Los Angeles Monday, May. 17, 2021. California is keeping its rules for wearing facemasks in place until the state more broadly lifts its pandemic restrictions on June 15. State officials said Monday, that the delay will give people time to prepare, and for the state to make sure that virus cases stay low. (AP Photo/Damian Dovarganes)

FILE - In this May 14, 2021, file photo, signs instruct visitors on the proper way to wear masks at the Universal City Walk in Universal City, Calif. California is keeping its rules for wearing facemasks in place until the state more broadly lifts its pandemic restrictions on June 15. State officials said Monday, May 17 that the delay will give people time to prepare, and for the state to make sure that virus cases stay low. (AP Photo/Marcio Jose Sanchez, File)

FILE - In this April 3, 2021, file photo, a stadium worker holds up a sign for people to wear face masks before a baseball game between the Oakland Athletics and the Houston Astros in Oakland, Calif. California is keeping its rules for wearing facemasks in place until the state more broadly lifts its pandemic restrictions on June 15. State officials said Monday, May 17 that the delay will give people time to prepare, and for the state to make sure that virus cases stay low. (AP Photo/Jeff Chiu, File)

Jose Cartamo, 64, originally from El Salvador, wears a face mask as he collects recyclables at the Griffith Observatory in Los Angeles, Monday, May 17, 2021. Cartamo plans to make an appointment to be vaccinated. California is keeping its rules for wearing face masks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)

Designer Gere Kavanaugh, left, wears a face mask of her design, as she exercises with Silver Age Home Health licensed vocational nurse Daisy Cabaluna during a weekly outdoors session at her home in the Echo Park neighborhood of Los Angeles, Monday, May 17, 2021. California is keeping its rules for wearing face masks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)

Visitors wear face masks outdoors at the Griffith Observatory in Los Angeles, Monday, May 17, 2021. California is keeping its rules for wearing face masks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)

Designer Gere Kavanaugh, left, wears a face mask of her design in the Echo Park neighborhood of Los Angeles, Monday, May 17, 2021. At right, Silver Age Home Health licensed vocational nurse Daisy Cabaluna monitors her temperature during a weekly outdoors visit at her home. California is keeping its rules for wearing face masks in place until the state more broadly lifts its pandemic restrictions on June 15. (AP Photo/Damian Dovarganes)