Maneerat Ongwandee, Kiraphat Khianthongkul, Sirima Panyametheekul, Kamomchai Yongprapat, Kessara Srinaka, John Morris
A PM2.5 crisis in Thailand has caused the Thai government and public to be increasingly concerned about children's exposure to PM2.5 during time in school. This study is a part of a project to create a modeled effective school indoor air quality management for the Bangkok Metropolitan Administration (BMA). We measured air quality and environment in 10 Bangkok school rooms, including CO2 , CO, O3 , PM2.5 , PM10 , TVOCPID , formaldehyde, airborne bacteria and fungi, and gaseous organic contaminants. The indoor-to-outdoor concentration ratios indicated that either outdoor sources or indoor + outdoor sources were the predominant contributors to PM in naturally ventilated classrooms...
March 12, 2024: Environmental Science and Pollution Research International