What Does an Ambulance Siren Sound Like?
It depends where you are. In the United States and Canada, ambulances use electronic sirens with the same core tones as police cars and fire trucks: the slow, rising-and-falling wail, the fast yelp, and often a hi-lo or phaser. In much of continental Europe, ambulances use a two-note “nee-naw” tone instead, which is why that sound is shorthand for “ambulance” in so many countries.
US Tones
Wail for open road, yelp and phaser near intersections, plus an air horn on many units.
European Tone
Two alternating notes, roughly a musical fourth apart, repeating about once a second.
“AMBULANCE”
The word is printed in mirror image on the front so drivers read it correctly in their rear-view mirror.
Ambulance Sirens Around the World
- United States & Canada: electronic wail, yelp, hi-lo and phaser, the same equipment police and fire use. Press US Wail or US Yelp.
- United Kingdom: historically the two-tone “nee-naw,” now mostly wail and yelp electronic sirens, sometimes with a low-frequency rumble.
- Germany, Netherlands, France and much of Europe: two-note tones, each country with its own pitch and rhythm. Press European Nee-Naw.
- Elsewhere: many countries mix wail, yelp and hi-lo tones, often following either US or European practice.
Why ambulances turn their sirens off
Sirens are only needed to clear traffic, and they add stress for patients. Crews often turn the siren off on empty roads, at night, or once a patient is stable, sometimes keeping the lights on. A silent ambulance with lights flashing still has priority, so pull over safely when you see one.
Ambulance Siren FAQ
What does an ambulance siren sound like?
In North America, a wail or fast yelp; in much of Europe, a two-note nee-naw. Press Play above to compare them.
What should I do when I hear an ambulance siren?
Check your mirrors, then pull safely to the side of the road (to the right in the US and Canada; to the left in the UK and other left-driving countries) and stop until it passes. Don't stop in an intersection or brake suddenly.
Can I download the ambulance siren sound?
Yes. Press Play, then Download to record about ten seconds of audio.
More Warning Sounds You Can Play