Don't be alarmed when you hear a shrill sound from your phone today — Canada is simply testing its emergency alert system.

OAKVILLE, Ontario, May 04, 2026 (GLOBE NEWSWIRE) -- A test of Canada’s national emergency alert system, Alert Ready, will take place on Wednesday, May 6, 2026 across most provinces and territories as ...

Manitoba residents will hear and see a test of the national Alert Ready emergency alert system on Wednesday, May 6 at 1:55 ...

Canadians in participating provinces and territories can expect a test alert on their television, radio, and compatible ...

A test message and tone from Alert Ready will be broadcast on television, radio and compatible wireless devices ...

Canadians should prepare for their phones to chime and televisions to broadcast a test signal tomorrow nationwide. Alert ...

The Alert Ready emergency alert test will be broadcast across TV, radio and mobile devices in all provinces and territories except Quebec ...