Los Angeles County begins mandating face masks for all people who attend outdoor "mega-events" of more than 10,000 people such as open-air concert and sporting events regardless of their vaccination status. 2021-08-20
Health officials in San Francisco and other Bay Area counties reimpose a mask mandate in the area as part of an effort to reduce the spread of the Lineage B.1.617 Delta variant. 2021-08-2
Atlanta Mayor Keisha Lance Bottoms issues a mask mandate for indoor public spaces to combat the spread of COVID-19. 2021-07-28
Chicago Public Schools announces that face masks will be required in all of their public schools this fall, regardless of the vaccination status in the city. 2021-07-22
Philadelphia lifts its mask mandate and COVID-19 restrictions. However, people who are not fully vaccinated are encouraged to wear masks. 2021-06-11
Colorado Governor Jared Polis extends the statewide mask mandate for 30 days. 2020-10-11
Cedar Rapids mayor Brad Hart issues a mask mandate for the city as Iowa becomes one of the leading states in rising COVID-19 cases. 2020-09-2
Manhattan Beach announces it will fine people who do not wear masks. 2020-07-17
West Virginia Governor Jim Justice issues an order mandating masks in indoor public spaces to reduce the spread of COVID-19. 2020-07-6