Even though P.E.I.'s biggest ice arena already had a policy in place, the Quebec Maritimes Junior Hockey League has now made it official — the use of air horns is banned at games. 

QMJHL officials confirmed that they've told individual teams without bans already in place that the use of air horns is now prohibited. 

The move comes after public health officials across Canada, including in P.E.I., warned that the noisemakers had potential to cause hearing damage. 

"The information that's been coming…