ผลของฤดูกาลที่มีต่อความเข้มข้นของอนุภาคมลสารในงานก่อสร้างทางหลวงหมายเลข 121 สายทางเลี่ยงเมืองเชียงใหม่ ตอน 1

Abstract

Road construction of highway route no. 121 Chiang Mai bypass part1 is construction without closing traffic during construction, there is often particulate release of structural material emission from the engines powering the machinery and vehicles passing though the construction zone. This research will measure the amount of airborne PM2.5 and PM10 since November 1,2019 to November 1,2020 utilizing the DustBoy tool. There are 5 measurement stations aituated in the construction area and I measurement stations aituated in the Chiang Mai Government Center as a background station. The results of the study of PM2.5 and PM10 for 1 years ago found that PM level were higher in Rainy or Wet Season and high humidity than Summer or low humidity PM level were less as well