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However, if its last slate of studies is any indication, this research will focus on seeing what kind of data the Watch can gather and whether it can assist researchers in better understanding human health. Finally, it’s working on a study that examines if blood oximetry can serve as an early warning for flu with the University of Washington’s Brotman Baty Institute for Precision Medicine.Īpple has yet to reveal the specifics of these studies. It will work on a second study on heart failure and blood oxygen level with University of Toronto’s Ted Rogers Centre for Heart Research and the Peter Munk Cardiac Centre at the University Health Network. It’s collaborating with the University of California Irvine on a longitudinal study on asthma and blood oxygen level. The watch captures this information in the background so users can have a sense of how their levels fluctuate even when they’re sleeping.Īs is to be expected, Apple is launching the new sensor in tandem with a series of new studies. Average blood oxygen levels are around 95% with 90% being considered low. Its algorithm is designed to detect blood oxygen between 70% and 100%. The sensor uses red, green, and infrared LED lights to measure oxygen saturation in the blood. It’s no wonder that it’s showing up in the Apple Watch now. Sales of at-home pulse oximeters grew 500% during the pandemic, according to Reportlinker. Because the disease puts a strain on the respiratory system, tracking oxygen levels has become crucial, particularly for more severe cases of the coronavirus.