John Watson

Dr. John G. Watson is a Research Professor in Atmospheric Sciences at the Desert Research Institute (DRI) in Reno, Nevada. He specializes in aerosol characterization, emission measurement technologies, and source apportionment. His research spans air quality studies, including real-world emissions testing in Canada’s oil sands, engine exhaust analysis in Hong Kong, and designing air quality networks in developing countries. Dr. Watson has collaborated internationally, notably as an Adjunct Professor at the Chinese Academy of Sciences’ Institute of Earth Environment in Xian, China.

Education: PhD in Environmental Sciences (1979, Oregon Graduate Institute), M.S. in Physics (1974, University of Toledo), B.A. in Physics (1970, SUNY Brockport).

Research focuses on carbonaceous materials, multipollutant emission technologies, and atmospheric aging effects. He has led over 120 air quality studies, including the Fresno Supersite and California Regional PM Study. His contributions include developing the EPA’s Chemical Mass Balance software and advancing PM monitoring guidelines. Dr. Watson has authored/co-authored 415+ peer-reviewed papers, 200+ book chapters, and 290+ technical reports, ranking him among the top 2% cited scientists globally in environmental science.

Awards include ISIHighlyCited.com recognition and Stanford University’s Top 2% Cited Scientists (2021). He co-chaired the National Academy panel on China-U.S. urban air pollution challenges and authored critical reviews on visibility and air quality measurement advancements.

Current projects include fugitive emission detection via microsensors, improving particulate measurement efficiency, and atmospheric contributions to stormwater runoff. He advises graduate students and postdocs, with notable international collaborations in China, India, Mexico, and beyond.