What Is Aura (Biofield)

Daniel Domaradzki / 01 Oct ’25

Human aura (biofield)

The human aura is a subtle, luminous energy field that is said to surround and interpenetrate all living things. Far from being a simple halo, it is a complex and dynamic field of information, a direct energetic reflection of our physical, emotional, mental, and spiritual state. In modern complementary medicine and scientific research, this phenomenon is referred to as the biofield.

Aura and Biofield

The terms “aura” and “biofield” refer to the same phenomenon, viewed through different lenses. Aura is the traditional, esoteric term for the radiant body, understood as an emanation of our essential life force (Ki or Prana). The Biofield is the corresponding term used in scientific and medical research to describe a complex, dynamic field of energy and information that is believed to regulate the body’s fundamental biological processes. Both terms describe an energetic field that is integral to life and a key indicator of overall health.

Auric Layers

The aura is often described as being composed of several interpenetrating layers, each vibrating at a different frequency and serving a distinct function. These are often called subtle bodies. While some traditions describe dozens of layers, the most commonly referenced are:

  • The Etheric Body: The densest layer, extending just a few inches from the physical body. It is considered the energetic blueprint or template for physical health and vitality.
  • The Emotional (Astral) Body: This layer extends further out and is associated with our feelings, emotions, and character. It is a fluid, colorful field where emotional patterns and unresolved feelings are stored.
  • The Mental Body: Associated with our thoughts, beliefs, and cognitive processes. The clarity and structure of this layer reflect the state of our mind.
  • The Spiritual Bodies: Beyond the mental body lie more subtle layers (such as the Causal Body) that connect us to our higher consciousness and spiritual nature.

Function of the Aura

The aura serves as both a protective shield and a dynamic interface between an individual and their environment. As an energetic boundary, it functions like a “skin,” protecting us from absorbing disharmonious or draining external energies from our surroundings. A strong, vibrant aura is a sign of robust energetic health. It also acts as a communication system, constantly radiating our internal state to the world and, in turn, processing energetic information from our environment. Most importantly, the aura is a diagnostic field; imbalances, blockages, and the precursors to illness often appear in the aura long before they manifest in the physical body.

Aura Colors and Reading

The aura is often perceived by clairvoyants and energy healers as a vibrant, shifting display of colors, with each color carrying specific information about a person’s state. These colors change in response to thoughts, feelings, and health. For example, a clear blue might indicate calm communication, while a muddy red could signify suppressed anger. Aura reading is the intuitive practice of perceiving and interpreting these colors, shapes, densities, and tears within the field to gain insight into a person’s physical, emotional, and spiritual well-being.

The Scientific Perspective

While the spiritual concept of a multi-layered aura remains outside the scope of mainstream scientific proof, research into the biofield is a growing area of study. Scientists hypothesize that the biofield is composed of measurable electromagnetic fields (such as those generated by the heart and brain) as well as more subtle energies yet to be fully quantified. Highly sensitive instruments like SQUID magnetometers can detect the biomagnetic fields emanating from the body. A well-known technique, Kirlian photography, captures the electrical “corona discharge” around an object. While this is not a direct photograph of the spiritual aura, it does provide visual evidence that living things possess a measurable energetic emanation.

Auric Health

Maintaining a clear, strong, and vibrant aura is essential for overall well-being. The integrity of our biofield is constantly affected by our internal and external environments. Chronic stress, negative emotions, poor diet, and unresolved trauma can create blockages or “leaks” in the aura, leaving us feeling depleted and vulnerable. Practices that promote auric health include meditation, spending time in nature, and maintaining positive emotional states. Direct aura cleansing is a specific energy healing technique used to consciously remove energetic debris, repair tears, and restore the field’s natural brightness and protective function.