The Tokyo Metropolitan Government reported 420 new cases of the coronavirus on Wednesday. That's the largest daily figure in March.
The daily tally surpassed 400 for the second time this month, following 409 a week ago. It was the fifth straight day that the figure was higher than it was one week earlier.
The total number of infections in the capital stands at 118,461.
Tokyo officials say 42 people are in serious condition, unchanged from Tuesday.