IASTA recognizes its members in two broad classes. These classes of along with the respective eligibility criterion are governed as under:

• Honorary Member shall be a person of outstanding professional distinction in the field of Aerosol Science and Technology.
• Life Member shall be person who subscribes to the aims and objectives of the Association and shall be a science & engineering graduate or a person who has adequate experience in the field and who has paid the fees for this class.

One can express the interest of becoming a member of the association by filling out the online questionnaire or by sending the copy of duly filled printed form.