The Tokyo Metropolitan Government says it confirmed 355 new cases of the coronavirus on Sunday.
The figure was up 42 from a week earlier.
The seven-day average of daily new cases in Tokyo through Sunday is 389.7, up 11 percent from a week ago.
For the 23rd day in a row, the average has exceeded that of the preceding week, clearly indicating that infections are again on the rise.
The total number of infections in the capital now stands at 122,702.