Should you want to make use of blood oxygen monitoring for non-medical purposes, though, that's definitely something you can do with your Apple Watch — regardless of December 2023's pulse ...

The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a ...

Apple debuted the Blood Oxygen app on the Series 6 in 2020, and it’s featured on most releases since. However, it’s unavailable on the entry-level Apple Watch SE (2022) or older Series devices.

In addition to measuring oxygen levels, many devices can provide a pulse reading. Although finger pulse oximeters can provide some insights into a person’s health, they are not without limitations.

Many patients are advised oxygen therapy when their blood oxygen levels drop. Using a pulse oximeter, it is easier to find when to give oxygen therapy to them. Also Read: What Is Oxygen Therapy?

In addition the recommedation is that if “your blood oxygen levels are 92% of less [having retaken your reading first] you should go to A&E or call 999 within an hour of the measurement. With ...

Larry Magid: How to monitor oxygen levels while awake or sleeping. If you suspect you have a sleep disorder or any other medical condition, get your advice from a qualified medical professional.

Understanding what a normal blood oxygen level reading is for you, is determined by many factors, including your age, whether you are fit and healthy, and any underlying illnesses that you might have.

A pulse oximeter gives you your blood oxygen level as a simple percentage. Any pulse oximeter reading of lower than 90 percent is a sign you need to seek urgent medical care.