#ศาสตร์เกษตรดินปุ๋ย : ขอบคุณแหล่งข้อมูล : หนังสือพิมพ์ The Nation
https://www.nationthailand.com/news/30382872?utm_source=category&utm_medium=internal_referral
Bangkok schools closed to avoid PM2.5
Feb 26. 2020
Several schools in Bangkok area were ordered to remain closed on February 26-27 by the Bangkok Metropolitan Administration (BMA) to avoid air pollution that could affect commuting students and parents.
The Thailand Meteorological Department has forecast that from February 26-28 weak winds and lack of rains in Bangkok and its perimeter areas will worsen dust pollution, especially particulate matter less than 2.5 microns in diameter (PM2.5).
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