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Science City participates in the nationwide warning day on 11 September
On Thursday, September 11, the science city of Darmstadt will participate in the nationwide warning day . Starting at 11 a.m., sirens will be activated throughout the city, and a warning will be issued simultaneously via the well-known warning apps such as NINA and hessenWARN be sent directly to suitable cell phones via cell broadcast
The test alarm begins with a one-minute rising and falling siren tone, which serves as a "warning to the public" . At 11:45 a.m., the test ends with a one-minute continuous tone signaling . "
Behavior in the event of a real warning
In an emergency, citizens should observe the following measures:
- Go to enclosed spaces, close doors and windows
- Turn on the radio or television and listen to announcements
- Inform neighbors
- Watch warning apps like NINA or hessenWARN
- Switch off ventilation and air conditioning systems
Cell Broadcast: Warning directly to your mobile phone
Cell Broadcast enables direct delivery of alerts to mobile phones – even without an app installed. This requires a current operating system and test alerts enabled in the notification settings. The Federal Office of Civil Protection and Disaster Assistance (BBK) provides an overview of compatible devices.
Further information, also in several languages, is available online from the Darmstadt Fire Department and the BBK .
Next dates in Darmstadt
- December 11, 2025
- March 12, 2026 (Statewide Warning Day)
- June 11, 2026
- September 10, 2026 (National Warning Day)
- December 10, 2026
(Darmstadt - Red/PSD)
