International Conference on Atmospheric Chemistry, Physics, Nucleation and Aerosols (ICACPNA -25) will be held in Bali, Indonesia on 10th - 11th April 2025. It is the hope of the ICACPNA Conference that you will join us, either in person or online, to take complete advantage of all that this event has to offer. This entire conference has been organized with the sole intention of allowing participants access to the latest research insights, opportunities to disseminate research, network with fellow professionals, and take advantage of opportunities to accelerate their careers in the discipline of Atmospheric Chemistry, Physics, Nucleation and Aerosols. As a highly anticipated event, drawing the attention of the global academic community, this conference will be built on the bedrock of outstanding research contributions by highly talented professionals from the global research community, public sector, and industry. Everything from conference paper, poster, and abstract presentations to scintillating keynote speeches, talks, Q&A Sessions, and Workshops have been planned as part of the ICEFB Conference organizers' overall focus on raising awareness of the contributions to nurture, cultivate, enhance and accelerate the adoption of the latest Atmospheric Chemistry, Physics, Nucleation and Aerosols developments and innovations for the benefit of society. Over the past year, Atmospheric Chemistry, Physics, Nucleation and Aerosols has witnessed unprecedented growth in the number of deployments, resource investment from industry and government, and attention from leading technologists.