Get access to the latest issue of our Association Newsletter. Stay updated with the latest news, research developments, and technological advances in ozone science and applications.
International Ozone Association
The only association that gathers over 1000 scientific and technical members around fundamental, engineering and applied aspects of oxidation technologies involving ozone or any related oxidants for any purpose.
The EA3G group of IOA manages the IOA membership and particularly develops activities in Europe, Africa, Asia and Australasia.
What's On
News
IOA
New President
Cristian Carboni (Italy) is the new Association President for years 2026 and 2027, following Eric Wert term.
January 2026
Publication
Ozone: Science & Engineering Journal
Volume 47 - issue 6.
Login as a member for online access.
Discover the content >>
December 2025
Webinar
Corona, long/post covid- and post vaccine syndrome
Prevention and convalescence by low-dose medical ozone. An update.
Description >> Access to the replay >>
September 16, 2025
Training
Ozone in drinking water
2-day session by IOA experts.
In French or English.
Upon request.
January 2026
Book Publishing
Ozone in Medicine: The low-Dose Ozone Concept.
Basics, Guidelines and Treatment Concepts.
By R. Viebahn-Hänsler & O.S. León Fernández
Order >>
January 2026
IOA Events
Join our international conferences, workshops, and exhibitions organized by our Regional Groups to solve the most pressing current issues.
In addition to its biennial World Congress, IOA organises events on topics of major interest in:
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Environmental and human health protection (water, air, soil and waste purification).
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Industry solutions for production, purification and depollution.
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Medical therapy.
Membership Benefits
Membership in IOA gives you the opportunity to join a global network of professionals and access exclusive resources to advance your work in ozone science.
Get the latest information
On research topics, technologies under development, new applications and equipment through publications and events with discounts on rates.
Meet colleagues and specialists
Collaborate with experts in your field to share experiences, debate positions, and establish valuable business contacts via the IOA network.
Contribute to extend knowledge
About ozone and related oxidants by participating in conferences, writing papers for publication, and engaging in key discussions.
Take part in programs
Engage in programs designed for the wide admission of potentialities offered by advanced ozone-based technologies across industries.