<p>Preface<br>Jun Wang<br>1. Formation of airborne microplastics<br>Kai Zhang and Chenxi Wu<br>2. Occurrence of microplastics in air<br>Xianzhi Peng, Jing Zhou, Shang Guo, Guangshi Chen and Zewen Zhu<br>3. Collection and separation analysis of airborne microplastics<br>Lin Xumiao, Joana C. Prata, João P. da Costa, Armando C. Duarte, Teresa Rocha-Santos and Mário Cerqueira<br>4. Migration and transformation of airborne microplastics<br>Ji-liang Zhang and Xiao-ping Diao<br>5. Photoaging process of microplastics and their pollutant release<br>Jinping Peng, Nian Tang and Yuxuan Yu<br>6. Surface characteristics and biotoxicity of airborne microplastics<br>Zhen Yuan and Xiang-Rong Xu<br>7. Interaction between airborne particulates (microplastics) and pathogenic microorganisms<br>Yumei Huang, Tao He and Xiaoli Chen<br>8. Human health effects of airborne microplastics<br>Guanglong Chen, Yizheng Li and Jun Wang</p>