During 11-15 December 2018, Dr. Tippawan Prapamontol, Head of Environment and Health Research Unit, and Dr. Dan Norbäck from Department of Occupational and Environmental Medicine, Faculty of Medicine, Uppsala University, Sweden, a co-researcher in Haze Free Thailand (HFT) project, held a workshop on data collection and analysis for HFT research team, using the study 2-year collected data (2017-2018) for publication preparation and research plan for next year.