Circular Note - Annual Testing Of Denmark's Physical Warning Sirens

To Heads of Diplomatic Missions and Consulates accredited to Denmark,
International Organisations and Other Missions resident in Copenhagen and
Honorary Consuls in Denmark

Please find Circular Note regarding Annual testing of Denmark's physical warning sirens and mobile based public warning system on Wednesday 6 May at 12:00 noon with 3 attachments:

Information - test of warning systems 2026

Public warning systems in Denmark 

Warning poster

Useful link mentioned in the Circular Note: Danish Emergency Management Agency's webpage about the Sirens in English

Ministry of Foreign Affairs, Copenhagen
Protocol Department
01 May 2026