Andrew Scheer, Brian Pallister spotted without masks on at Pearson International Airport Previously, visitors and passengers were told they must wear a mask if they couldn’t maintain safe social distancing measures, but increasing passenger volumes means it’s harder to stay the recommended two-metre distance from each other, said the WAA.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]“The mandatory face covering requirement is now being implemented in all public areas because passenger volumes are beginning to increase, especially during peak times of day, which makes physical distancing more difficult to achieve in all areas of the terminal.”.