Thank you for the link to the article in The Nation Thailand on 14 July 2022 . Like I said, the Thai government keeps adjusting the "save" level for PM2.5, but what real action, if any, are they taking to stay within this ever-changing level?
14 July 2022: from https://www.nationthailand.com/in-focus/40017734 (highlighting in bold red is mine):
2 February 2023: from https://www.thaipbsworld.com/thailand-to-reduce-the-50-micron-of-pm2-5-safety-standard-to-37-5-microns/#:~:text=Thailand will adjust the country's,PCD Director-General Pinsak Suraswadi (highlighting in bold red is mine):
10 February 2023: from https://www.thaipbsworld.com/thailands-worsening-pm2-5-problem-is-lost-in-the-fog-of-politics/#:~:text=Thailand sets the safe limit,levels go above 100 micrograms (highlighting in bold red is mine):
10 February 2023: from https://www.thaipbsworld.com/thailands-worsening-pm2-5-problem-is-lost-in-the-fog-of-politics/#:~:text=Thailand sets the safe limit,levels go above 100 micrograms (highlighting in bold red is mine):