This book will be a comprehensive exploration of the particles suspended in the atmosphere that significantly influence air quality, atmospheric visibility, climate, weather patterns, and public health. This book will delve into the multifaceted nature of aerosols, covering their diverse sources, intricate chemical compositions, and dynamic behaviors in the atmosphere. By examining both natural and anthropogenic origins, it sheds light on the varied pathways through which aerosols enter and transform within our environment. The book will aim to provide a detailed understanding of the roles aerosols play in climate systems, particularly their impacts on radiative forcing and cloud formation. It also addresses the critical public health concerns linked to aerosol exposure, emphasizing respiratory and cardiovascular risks. Additionally, Atmospheric Aerosols highlights the latest advancements in measurement and modeling techniques, offering insights into ground-based, satellite, and computational approaches for studying these particles. Through this detailed and interdisciplinary approach, the book will try to equip researchers, students, and policymakers with the knowledge necessary to address the complex challenges posed by atmospheric aerosols. By fostering a deeper understanding of their environmental and health impacts, the book will aim to contribute to the development of more effective strategies for mitigating aerosol-related issues in the atmosphere.