The Blood Oxygen results screen showing a blood oxygen saturation of 98 percent.
While the majority of these details have to do with interface customization,
The Blood Oxygen app can allow you to measure the oxygen level of your blood on-demand directly from your wrist, providing you with insights ...
The Apple Watch does not have an oximeter and cannot measure SPO2 levels.
How to use the Apple Watch's newest health sensor, available with the Series 6. ... Together they measure your oxygen saturation (SpO2) in your blood -- how much oxygen from
Among its many features, the Apple Watch can take your pulse.
With the capacity to monitor blood oxygen levels, Apple Watches could also alert wearers who are at risk of respiratory or cardiac arrest.
The Fitbit app does note that the SpO2 levels are “Estimated.
That's not something you can do with the Apple Watch -- Apple says it
When Apple Watch detects low blood oxygen saturation below a