The most current guidance does not require the use of masks generally outside of the home, but recommends their use in public settings where social distancing may be difficult, like the grocery store. The following links provide more information from the Washington State Department of Health (DOH) and the Centers for Disease Control (CDC):
DOH Guidance on Cloth Face Coverings: www.doh.wa.gov
CDC Recommendation Regarding the Use of Cloth Face Coverings: www.cdc.gov