An aura in a dream represents energy and power.
If you dream that you are surrounded by an aura, it is a sign that you are feeling powerful. You may have gained new knowledge or completed a difficult task.
How do the other people in your dream react to your aura? Does it attract them or repel them? As experience new things in life, aspects of your personality will change. The way people react to your aura in your dream is a sign of how the changes to your personality are affecting others.
If you dream that you see someone else with an aura, you are curious about that person’s true nature.