Emerging from an agricultural base to more industrialization, Thailand now faces many environmental problems, particularly air pollution, resulting in adverse health consequences. The three major sources of air pollution are vehicular emissions in cities, biomass burning and transboundary haze in rural and border areas, and industrial discharges in concentrated industrialized zones. Recent air quality data suggest that paniculate matter < 10 um in aerodynamic diameter (PM_(10)) is the most important air pollutant in urban and rural areas. In cities such as Bangkok, air quality monitoring performed by the Pollution Control Department (PCD) for the past 10 years revealed that the levels of PM_(10) have exceeded both annual (50 mug/m~3) and 24-hr (120 mug/m~3) national standards (PCD 2010). The main source of PM_(10) in Bangkok is vehicular emissions (Chuersuwan 2008; Parsons International Ltd. 2001).
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机译：从农业基地走向工业化，泰国现在面临许多环境问题，特别是空气污染，对健康造成不利影响。空气污染的三大主要来源是城市的车辆排放，农村和边境地区的生物质燃烧和越境雾霾以及集中工业区的工业排放。最近的空气质量数据表明，空气动力学直径小于10微米的颗粒物（PM_（10））是城乡地区最重要的空气污染物。在曼谷等城市，污染控制部门（PCD）过去10年进行的空气质量监测显示，PM_（10）的水平已超过年度（50杯/ m〜3）和24小时（120）杯子/米〜3）国家标准（PCD 2010）。曼谷PM_（10）的主要来源是车辆排放（Chuersuwan 2008; Parsons International Ltd. 2001）。
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