Dr. Agarwal’s public health interests include studying the impact of atmospheric and industrial pollutants (nano- to microscale particles) on human health. Some of his research involves transport of contaminants in air and water in home and work environment. His research has also focused on nanotechnology concepts related to filtration and catalysis, and has included some of the topics such as nanotoxicity, nanotechnology and environment, and nano- and micro-scale filtration.
Dr. Agarwal is also interested in finding low-cost solutions and effective medical devices for populations in developing countries. He is also concerned with health education, health needs, health delivery, and health economics.