California has requirements and recommendations for mega-events to reduce COVID-19 transmission. 

On this page:


What mega-events are

Mega-events are indoor events with 1,000 or more people and outdoor events with 10,000 or more people.

This includes events like:

  • Conventions, conferences, and expos
  • Concerts, shows, and nightclubs
  • Sporting events
  • Live events and entertainment
  • Fairs, festivals, and parades
  • Theme parks, amusement parks, and water parks
  • Large private events or gatherings
  • Large races, marathons, and endurance events
  • Car shows

Indoor events

For indoor events with 1,000 or more people, attendees age 3 and older must provide proof that they: 

  • Are fully vaccinated, or
  • Have received a negative COVID-19 test

Attendees cannot self-attest to verify vaccination status or a negative test result.

Beginning December 1, 2021, attendees age 18 and older must provide identification at indoor mega-events. Your identification must confirm you are the person:

  • Presenting proof of vaccination status or negative test result, and
  • Entering the venue
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Outdoor events

For outdoor events with 10,000 or more people, the California Department of Public Health (CDPH) recommends that attendees age 3 and older provide proof that they: 

  • Are fully vaccinated, or
  • Have received a negative COVID-19 test

CDPH recommends venue and event operators to:

Beginning December 1, 2021, CDPH recommends that operators ask attendees age 18 and older to provide identification at outdoor mega-events. You may be asked to show identification that confirms you are the person:

  • Presenting proof of vaccination status or negative test result, and
  • Entering the venue

Masks at events

All attendees must follow the CDPH Guidance for the Use of Face Coverings


More information

Find more details about the CDPH requirements and recommendations for mega-events: