It has been ages since t̶h̶e̶ ̶l̶a̶s̶t̶ ̶t̶i̶m̶e̶ ̶t̶h̶a̶t̶ ̶I̶ ̶w̶r̶o̶t̶e̶ ̶a̶ ̶b̶l̶o̶g̶ ̶p̶o̶s̶t̶ the air pollution in Thailand gone bad, and there’s a few signs of it getting better. The main culprit is the PM2.5, an airborne particle so small that your average face mask can’t 100% block it…