For Android and iPhone · free
Where to take shelter when the sirens go off
The nearest shelter in Czechia, with direction and distance, on your phone. Plus clear guidance for alarms, air raids, chemical leaks, blackouts and floods. Works offline.
Free, no ads. In English, Czech, Ukrainian and Vietnamese. Not run by the state or the Fire Rescue Service.
Siren rising and falling for 140 seconds? Go into the nearest brick or concrete building, close the windows and turn on the radio.
What to doGuides
What to do when…
The same guidance you will find in the app. Read it calmly now, while nothing is happening.
Sirens go off
Five steps for the General warning signal.
What sirens sound like
Warning, test and fire alarm. With samples.
Shelters in Czechia
Permanent shelters, the Prague metro and Strahov tunnel. When they open.
Air raid
The first minutes and the two-wall rule at home.
Chemical leak
Go up, not into the cellar. How to seal a room.
Power cut
Dos and don'ts during a long blackout.
Flood warning
Flood alert levels and what to do at each.
Emergency bag
Checklist, supplies for 3 days, family plan.
General warning
Siren rising and falling. What now?
Rising and falling tone for 140 seconds, up to three times in a row. The monthly siren test has a steady tone.
Listen to the sirens- Go immediately into the nearest brick or concrete buildingIdeally a cellar. If you are driving, stop.
- Close windows and doorsTurn off ventilation and air conditioning.
- Turn on the radio or TVCzech Radio Radiožurnál, ČT24.
- Only call if you really need toDo not pick up children from school.
- Follow the authorities' instructionsTake shelter or evacuate.
Permanent shelters are not normally open. They open on the authorities' order. In a sudden alarm, go into the nearest brick or concrete building or a cellar.
The app
Have it on your phone before you need it
shelters in Czechia based on Fire Rescue Service data, in Prague also the metro and Strahov tunnel
shelters and guidance on your phone, plus a downloadable map of your region
no accounts, no ads, your location stays on your phone
- The nearest shelter as soon as you open itDistance, a compass arrow and walking directions.
- Works offlineShelters, guidance and a downloaded map of your region.
- What to do during an alarmStep-by-step guides, siren samples and tips for different situations.
- Fast in a crisisHome screen shortcuts, an "I'm OK" text, your location for 112.
- Prepare in advanceEmergency bag, family plan and supplies for 3 days.
- RemindersSiren test and emergency bag check, so you don't forget.
Not a government app
Kam se ukrýt is not run by the Czech state, the Fire Rescue Service (HZS ČR) or Prague City Hall. Shelters open on the authorities' order. In a real emergency, always follow the instructions of the emergency services.
Where the data comes from
Shelters from the public map service of the Fire Rescue Service of the Czech Republic (as of 24 March 2026). The Prague metro protection system from the map of Prague City Hall. Map © OpenStreetMap contributors.