The Study on Thailand’s Particulate Matter 2.5 (PM 2.5) Management in Accordance with The World Health Organization (WHO) Guidelines Journal title: Vajira Medical Journal: Journal of Urban Medicine Authors: Wichittraphon Sukcharoen Phitchakorn Tangaromsuk Mooktapa Sontiatchara Kotchaphon Waithayakul Ch... Subject(s): Medicine, Health science