The key metric to track is the oxygen saturation level within the blood’s O2-carrying hemoglobin. As ambient air pressure drops with altitude, the partial pressure of oxygen decreases along with it.

We've quizzed the experts on how to find out what blood oxygen is too low so that you can measure your levels yourself and monitor them accordingly When you purchase through links on our site, we ...

Atmospheric pressure decreases exponentially with altitude, causing a drop in blood oxygen saturation level to around 90% (73 hPa) in healthy passengers at cruising altitude, explain the researchers.

When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor.

At cruising altitude, cabin pressure is set to what would be experienced between 6,000 to 8,000 feet above sea level, which can contribute to lower oxygen saturation in the blood.

If a patient’s oxygen saturation level is below 90%, it could potentially be a case of high altitude pulmonary edema and individuals should head to the emergency room to be fully assessed.

Pulse oximetry is the latest metric data nerds are buzzing about—especially due to COVID-19. Here’s what you need to know about how it fits into your training.

This estimated oxygen variation graph has been missing for the past few weeks, but is now back with Pixel Watch data from that entire gap available. It’s not clear if this was a server-side fix ...

Atmospheric pressure decreases exponentially with altitude, causing a drop in blood oxygen saturation level to around 90% (73 hPa) in healthy passengers at cruising altitude, explain the researchers.