What Is a Dangerous Blood Oxygen Level? Understanding SpO₂ Readings

This infographic explains blood oxygen saturation (SpO₂) levels and provides a visual overview of commonly recognized oxygen saturation ranges. The guide illustrates normal, below normal, low, and very low SpO₂ readings while emphasizing that oxygen levels should be interpreted within the context of an individual’s health status. The information is intended for educational and public health purposes only and is not a substitute for professional medical advice.