If you have a health condition, your blood oxygen level may fall outside of the normal range. Learn what abnormal blood oxygen levels mean.

Blood oxygen levels help indicate lung health, as well as other conditions that happen in the body. Learn more about normal blood oxygen levels here.

Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

A normal blood oxygen level is between 95%-100% SpO2 on a pulse oximeter. Here's how to use an oximeter at home.

What is a good oxygen level? “Normal people who have working lungs, and all those steps are going well, their blood oxygen level will usually be 96-100 percent,” adds Dr. Uppal.

What is a "normal" blood-oxygen saturation? Blood oxygen levels can have implications for people's health, as several conditions can arise from levels outside the ideal range.

Checking oxygen levels and temperature is essential for COVID-19 patients who are under home isolation.