How can I track my VO2 max and improve my cardiovascular fitness?

To track your VO2 max and improve cardiovascular fitness, you can use a fitness tracker or smartwatch that has VO2 max monitoring capabilities. Additionally, you can engage in regular aerobic exercises such as running, cycling, or swimming to improve your cardiovascular fitness. Monitoring your progress over time and gradually increasing the intensity of your workouts can help you see improvements in your VO2 max and overall fitness level.