Apple Watch to now track cardio fitness levels, send alert for low ranges

There is another fitness feature coming to the Apple Watch. The watchOS 7.2, available from December 14, will let users review their “cardio fitness level” and even get alerts when it falls into the low range. The cardio fitness level, measured by VO2 max which the Apple Watch has been tracking for some time now, is considered a powerful predictor of overall health.

The levels are shown relative to people of the same sex and age group and will be categorised as high, above average, below average, or low. It is measured of a period of time and will not be influenced by standalone events or health conditions of the users.