This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

SACRAMENTO, Calif. — California Gov. Gavin Newsom issued a travel advisory Friday urging visitors and people returning home to the state to self-quarantine for 14 days to slow the spread of coronavirus.

Oregon Governor Kate Brown and Washington Governor Jay Inslee joined Newsom in issuing advisories for their respective states.

The advisories urge against non-essential out-of-state travel, defining essential as travel for work and study, critical infrastructure support, economic services and supply chains, health, immediate medical care and safety and security. 

Newsom issued the advisory one day after California exceeded one million COVID-19 cases.

“California just surpassed a sobering threshold – one million COVID-19 cases – with no signs of the virus slowing down,” Newsom said. “Increased cases are adding pressure on our hospital systems and threatening the lives of seniors, essential workers and vulnerable Californians. Travel increases the risk of spreading COVID-19, and we must all collectively increase our efforts at this time to keep the virus at bay and save lives.”