Walking is an exceptionally healthy form of exercise, and morning walks can indeed aid in weight loss.
Reason One: Exercising on an empty stomach in the morning burns more calories, making weight loss more effective. At this time, the body's stored energy reserves are nearly depleted, so walking helps burn stored fat to generate sufficient energy.

Reason 2: While morning air isn't at peak oxygen levels due to plants not yet fully photosynthesizing, it remains relatively fresh after a quiet night. With people still resting and traffic emissions—especially car exhaust—significantly lower than daytime levels, the air is cleaner and ideal for morning walks.
Reason Three: After a night's rest, the body has fully recharged its energy, making morning an ideal time for exercise.