Sena, T. and Soytong, P. 2025. Estimate Particulate Matter PM2.5 Concentration Impact of Wildfires Using Machine Learning in Chiang Mai Province, Thailand. Rajamangala University of Technology Tawan-ok Research Journal. 18, 2 (Dec. 2025), 138–160. DOI:https://doi.org/10.63271/rmuttorj.v18i2.265288.