Another excellent article on PM2.5. I support reduction of air pollution at ‘national level’, at local government level, at factory level, on farm and in every home.

May I suggest copying the url’s with Thai characters in 2 (or more) chunks eg. https://www.mediafire.com/file/ko8ml7k47o27tuk/ สรุปข้อเท็จจริงคดีหมายเลขดำที่ส.1-2564 25AA.1-2564.pdf/file or its alternative url: https://www.mediafire.com/file/ko8ml7k47o27tuk/25AA.1-2564.pdf/file They look nicer ;-)