Apple Watch 11: How to Measure Blood Oxygen (SpO2) and View Results

Preparing Your Apple Watch for SpO2 Measurement

• 💡 Ensure both your iPhone and Apple Watch are updated to the latest software versions.
• 📌 Wear your Apple Watch snugly on your wrist, ensuring the band is comfortable for the sensor to work correctly.

Performing a Blood Oxygen Measurement

• ⌚️ Press the digital crown to access the app list, then find and open the Blood Oxygen app.
• 🚀 Follow the on-screen prompts, tapping 'Next' and 'Done' as instructed.
• ⚠️ Keep your device facing upwards and remain still for 15 seconds while the measurement is taken.

Viewing SpO2 Results

• 📊 Your blood oxygen level will be displayed directly on the Apple Watch after the measurement.
• 📱 For more comprehensive data, open the Health app on your iPhone.
• 🔍 Navigate to 'Browse', then 'Respiratory', and select 'Blood Oxygen' to view your latest test and historical data.

Analyzing Blood Oxygen Trends

• 📈 The Health app allows you to review daily averages, high and low readings, and environmental ranges.
• 🗓️ You can examine your blood oxygen data over different periods: today, this week, this month, the last half-year, or the last year.