The COVID-19 Ontario Science Advisory Table published an article on april 20, 2021 that presents a path forward, which includes the following statement regarding the importance of outdoor activity.
Keeping people safely connected: Maintaining social connections and outdoor activity are important to our overall physical and mental health. This means allowing small groups of people from different households to meet outside with masking and two-metre distancing. It means keeping playgrounds open, and clearly encouraging safe outdoor activities.
Please read the full article here or directly on the COVID-19 Ontario Science Advisory Table’s website here: https://covid19-sciencetable.ca/sciencebrief/fighting-covid-19-in-ontario-the-way-forward/