Continuous Monitoring

Blood Oxygen (SpO2)

Name: Blood Oxygen (SpO2) - Performance Biomarker Guide
Creator: Ocean Path Ventures LLC
Published: 2025-10-01

Oxygen saturation percentage measured continuously

RespiratoryCategory

Normal: 95-100%Reference

96-100%Reference (unattributed, from device vendor docs)

Why Blood Oxygen (SpO2) matters

Normal saturation >95%. Dips during sleep may indicate sleep apnea. Chronic low oxygen increases cardiovascular risk.

Reference Range

Normal: 95-100%

Reference (unattributed, from device vendor docs)

96-100%

We have not yet verified a published source for a Blood Oxygen (SpO2) target. The value above comes from device vendor material and is shown as a reference only. How we verify ranges.

Devices that measure this

Devices in our comparisons whose published specs list this metric:

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Health Disclaimer

This information is for educational purposes only. Consult a healthcare provider for personalized health recommendations.

Written and maintained by Ocean Path Ventures LLC, the site's publisher. It is not a clinical practice, and this page was not written or reviewed by a clinician.

Last reviewed Sep 23, 2026 · First published Oct 1, 2025