The Australian Government will launch AusAlert, a new national emergency warning system in October 2026.
Before AusAlert is ready to use, the system is being tested to make sure it works as intended. A national test is planned for 1:30 pm ACST on Monday 27 July 2026.
What to expect:
At the time of the test, a Critical Alert will be sent to every compatible mobile device in Australia.
Learn more: Compatible mobile devices
The alert may cause vibration and a siren-like warning sound even if your device:
You cannot opt out of receiving Critical Alerts.
Hear and see an example alert.
Impacts on public transport;
When the test happens, passengers, drivers and customer service staff may receive the AusAlert:
The siren-like warning may get loud. We ask you to please stay calm.
If you are crossing roads, platforms, rail crossings or driving, please do not touch your device.
What to do;
As this is only a test, you do not need to do anything. Please do not call Triple Zero (000).
If receiving this AusAlert test may cause stress or harm, and you do not want to receive it, you will need to:
Do this before 1:30 pm ACST and remain in aeroplane/flight mode or keep your device off for at least one hour after the alert.
To learn more about AusAlert, visit ausalert.gov.au.