Mono County is about the same:

https://webapps.mono.ca.gov/COVIDDocs//P...lic%20Order.pdf

"Facial coverings are not required under the following circumstances: •A person is outdoors and unlikely to interact with people who are not members of their household unit,except at a distance of more than six feet.Though it is prudent and courteous to wear a face covering when passing others on trails, multi-use paths or sidewalks.
•A person is performing work in a room or location that is physically separated from other persons by walls or other impermeable barriers.
•When in the sole company of members of their own household unit.
•A person is the sole occupant of a vehicle or is sharing a vehicle only with members of his or her own household unit.In addition, please note:
•Persons working outdoors shall wear face coverings when within six feet of any other person,or in any situation where the individual could contaminate a surface or object with which other persons come in contact. In all other circumstances, persons working outdoors are strongly encouraged to wear face coverings.
•Retail and other businesses open to the public shall require customers or patrons to wear face coverings. All staff interacting with the public are required to wear face coverings.
•Employees at restaurants and other establishments providing for on-site food consumption (upon authorization to open) shall wear face coverings. Patrons at those establishments are strongly encouraged to wear face coverings while not eating or drinking.Distance.
Wash. Stay Home and #CoverUpMono!"

Dale B. Dalrymple