The municipality of Mont-Tremblant, located about 130km north of Montreal, has adopted a complete ban on fireworks:
https://www.lapresse.ca/actualites/environnement/2023-05-01/planete-bl eue-idees-vertes/mont-tremblant-bannit-les-feux-d-artifice.php

CBC had dedicated a story on this regulation at an earlier stage of the process, in March 2023:
https://www.cbc.ca/news/canada/montreal/fireworks-ban-mont-tremblant-1 .6782459

Fred