They said that all residents have to continue strict compliance with Covid-19 prevention measures while participating in outdoor activities, including exercising in public spaces.
Golf courses are allowed to operate again, but owners, employees, service staff and customers must comply with the pandemic prevention guidelines, officials said.
These establishments must make daily records of customers and provide them to authorities when needed.
Officials said Hanoi will continue tightening safety measures at medical centers and treatment facilities.
The capital city had allowed barbershops and indoor dining services to reopen, starting Monday. The capital had shut down non-essential businesses and services starting April 29, beginning with karaoke parlors and bars, then restaurants and cafes and later, cinemas, gym and barbershops.
In the latest wave since April 27, Hanoi has recorded 466 local Covid-19 cases.