Emergency siren tests across Montreal, October 18, 2023

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October 10, 2023

On Wednesday, October 18, 2023, Montréal will be TESTING the city’s emergency siren system between 9 a.m. and 1 p.m. During this test, no actions need to be taken.

This is a technical test carried out to ensure the proper working order of equipment, as well as the preparedness of all emergency responders.

The emergency siren sounds off for 3 minutes and is the best way to warn the population of the release of a toxic substance from a nearby factory.

Take this opportunity to find out what to do when you hear the emergency siren.