Yes. The fire caused dust particles drifting down from Canada are very large compard to the microscopic size of a viral droplet from the Covid virus. Masks like the N95 and masks worn by folks in home and industrial operations that generate wood or industrial dust should be fine for the fire caused dusty bad air.
Trees are the leading cause of forest fires
Your information is accurate ... both with respect to particulates and to the Fauci Flu respiratory virus.