The number represents your current altitude acclimation.
The arrow to the right of your current altitude acclimation indicates how you are trending from the previous day.
Select your product to confirm this information applies to you
Adding and Using the Altitude Acclimation Widget Glance
The Altitude Acclimation widget will give you information on your current elevation and how you are acclimating to the altitude. When opening the widget you will see more information about how you are acclimating, including weekly averages for Pulse Ox,1 respiration rate, and resting heart rate.
If the widget is displaying Inactive, it means that you are not at a high enough elevation for the widget to display altitude acclimation information.
Adding the Altitude Acclimation Widget
To see if your watch is compatible with the Altitude Acclimation widget glance search your owner's manual for "Widgets" or "Glances". For instructions on adding the Altitude Acclimation widget glance to your watch, see "Customizing the Widget Loop" or "Customizing the Glance Loop" in your owner's manual.
Using the Altitude Acclimation Widget
Select an option below to see an example and learn about the items you will see in the widget.
1 Pulse Ox will only display if All-Day Pulse Ox is enabled for your watch. Enabling All-Day Pulse Ox will use additional battery power.