Fitbit Air: How to Set Up High & Low Heart Rate Alerts [2026]

Wondering how to set up high and low heart rate alerts on the Google Fitbit Air? Because this new 2026 tracker is completely screenless, you need to configure your custom heart rate threshold directly through your smartphone! In this quick step-by-step tutorial, I’ll show you exactly how to enable and customize the Fitbit Air heart rate notifications inside the new Google Health app. Whether you want to be warned about an unusually high heart rate during a stressful workday or a dropping resting heart rate while you sleep, setting a custom heart rate threshold is crucial for your 24/7 health monitoring.I'll walk you through navigating the connection settings, locating the advanced vitals tab, and tweaking your high and low heart rate limits so your Fitbit Air pebble vibrates precisely when you need it to. If you've been struggling to figure out how to change heart rate threshold on Google Fitbit Air or how to activate Afib irregular rhythm alerts, this beginner's guide covers everything you need to know!