Friday prayers and daily prayers
Gatherings during the COVID-19
Since August 3, 2020, the maximum number of people allowed in some indoor public places is 250. This measure applies to performance venues, theatres, movie theatres, audiences attending a production, amateur sports events and training, places of worship, courtrooms and rented rooms, including community rooms.
As in other circumstances, people must keep 2 metres apart, in both indoor and outdoor public places.
Source:
https://www.quebec.ca/en/health/health-issues/a-z/2019-coronavirus/gatherings-events-covid19/