The move comes after many states nationwide have seen a spike in coronavirus cases. Last week D.C experienced its highest volume of cases at 102 in a single day, since June.
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“We know, unfortunately, there are states that are seeing significant spikes in new cases. We know there are places where people are not being as cautious or making the sacrifices we are making here in Washington, D.C, " said Mayor Muriel Bowser.
Related: Chicago institutes a quarantine on some out-of-state visitors
The list of high-risk states will be reevaluated every two weeks so be on the lookout for changes if you're planning a trip to the nation's capital.
Related: As US cases rise, more states and cities enforce quarantines
Residents of Maryland and Virginia will not have to quarantine before entering D.C. Both states also saw increases in their caseloads in recent days that would qualify them as high risk. Maryland saw over 2,000 new cases this past weekend. Virginia reported more than 1,500 cases since yesterday.
People traveling to D.C. for essential reasons will not have to quarantine upon arrival. They instead are being asked to self-monitor for coronavirus symptoms and get medical attention if any are recognized. Senators and congressional representatives are not required to quarantine either.
Related: The best times to visit Washington D.C.
Students who attend college in The District are not exempt from the order. Many colleges are resuming classes in late August and will now have to factor student quarantine periods into their plans.
This is not the only new policy Mayor Bowser has implemented, she also expanded D.C.'s mask policy. Residents over the age of three will now have to wear a mask anytime they leave their place of residence. Violators could face fines up to $1,000.
“This means, if you’re waiting for a bus, you must have on a mask. If you are ordering food at a restaurant, you must have on a mask. If you’re sitting in a cubicle in an open office, you must have on a mask," said Bowser.
Related: 10 Things no one tells you about Washington D.C.
D.C. is currently in phase two of reopening that allows for reduced indoor dining, indoor shopping and the opening of personal care services. Gyms, some recreational facilities and parks are open as well. All gatherings are limited to 50 people and social distancing rules are in effect.
Washington D.C.'s state of emergency will last through October 9, 2020.
Related reading:
State by state guide to reopening
How airlines are working to keep it clean amid coronavirus outbreak
