An SpO₂ reading of 94% is slightly below the usual range for a healthy adult at sea level. A pulmonologist explains what can ...

For a healthy adult sitting at sea level, a pulse oximeter should read between 95 and 100 percent. That is the normal band clinicians use. Once the number slips below 90 percent, you have crossed the ...

Pulse oximeters use light to measure the amount of oxygen in the blood (SpO 2). For most people, a normal pulse oximeter reading is between 95% and 100%, with readings below 90–92% generally ...