Air pollution control is the multidisciplinary academic and technical field dedicated to understanding, preventing, and reducing the emission of harmful substances into the atmosphere. It investigates pollutant sources, atmospheric processes, and the development, implementation, and evaluation of strategies and technologies aimed at improving air quality and mitigating adverse environmental and health impacts. This concept is fundamental to environmental science, public health, and engineering, encompassing areas such as emission characterization, control technology design, atmospheric modeling, air quality monitoring, and regulatory policy analysis.