“Locally, there are 503 new cases in Peel, 463 in Toronto and 185 in York Region,” Health Minister Christine Elliott wrote on Twitter.
Ontario reported 1,822 new cases of COVID-19 on Saturday and 1,855 on Friday.
Provincial labs have processed nearly 54,000 samples in the past 24 hours, on the third day in a row more than 50,000 results have been processed.
Sunday’s testing generated a positivity rate of 3.7%, higher than Saturday’s 3.4% and the same as Friday.
There are now 13,779 active cases of novel coronavirus infection in Ontario, up from 12,918 a week ago.
A total of 3,648 people have died from infection since early March and 97,319 people have recovered from the disease.
One hundred and sixty-two people died of infection last week.
Seven of the 24 people who died on Sunday were residents of the long-term care system.
The province said 586 people were in hospital due to symptoms of COVID-19 on Sunday, up from 11 from Saturday, but were unable to provide ventilation for intensive care and ventilated patients.
Elsewhere in the GTA, Durham Region reported 73 new cases, Halton Region reported 31 new cases and Hamilton reported 60 new cases.