Worradorn Phairuang from Thailand is a faculty member of Atmospheric Environment and Pollution Control Engineering, Faculty of Geosciences and Civil Engineering, Kanazawa University, Japan. His main research focuses on the chemical and physical characteristics of airborne nanoparticles (PM). His interests cover all the natural and anthropogenic sources, particularly biomass burning, including forest fire and agricultural residue burning. He is very interested in emission inventory from biomass burning in Thailand and Asian countries.