When do we have to wear a mask outside? The C.D.C. says less often, and here’s how and why.

 

Everyone can do without a mask when …

• Walking, running, hiking or biking outdoors, alone or with members of the same household.

• Attending a small outdoor gathering with fully vaccinated family and friends.

Fully vaccinated people can do without a mask when …

• Attending a small outdoor gathering with a mixture of fully vaccinated and unvaccinated people.

• Dining outdoors at a restaurant with people from several households.

For these kinds of activities, unvaccinated people should still wear masks and maintain social distance, the C.D.C. says.

Everyone should still wear a mask when …

• Attending a crowded outdoor event, like a parade, sporting event or live performance.

• Doing almost anything indoors that involves contact with people who are not members of your household. Examples include dining indoors at a restaurant; going to the movies, an indoor concert or theatrical performance; attending full-capacity worship services; traveling on an airline flight or riding mass transit; singing in a chorus indoors; taking part in an indoor exercise class; visiting a shopping mall or museum; getting a haircut or manicure; or attending an indoor social gathering.

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