Mumbai reported over 15,000 new coronavirus cases on Wednesday, its highest-ever daily count so far, and three deaths.
But almost 87% of new patients were asymptomatic, civic body officials said.
The daily cases rose by over 4,000 from a day ago.
Before this, 11,206 fresh infections were reported on April 4, 2021, which was then the single-day highest case tally after the pandemic outbreak.
The overall growth rate of coronavirus disease cases in Mumbai is 0.78 per cent and the doubling rate of patients is 89 days.
Also watch: Delhi reports over 10,000 new Covid-19 cases, positivity rate jumps to 11.8%
Dharavi, which was a Covid-19 hotspot last year, recorded 81 cases on Wednesday, which is also the highest since April 4, when the slum recorded 99 cases.
On Tuesday, Mumbai Mayor Kishori Pednekar said that if the daily Covid-19 cases cross the 20,000-mark, a lockdown will be imposed in the city.
Meanwhile, Maharashtra reported 26,538 new cases, 8 deaths and 5,331 discharges on Wednesday.