ในยุคที่ฝุ่น PM2.5 และสารก่อภูมิแพ้กลายเป็นปัญหาเรื้อรัง https://www.worldhealthdisinfection.com/content/6714/%E0%B8%9E%E0%B8%B1%E0%B8%94%E0%B8%A5%E0%B8%A1%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B9%83%E0%B8%9A%E0%B8%9E%E0%B8%B1%E0%B8%94-%E0%B8%9F%E0%B8%AD%E0%B8%81%E0%B8%AD%E0%B8%B2%E0%B8%81%E0%B8%B2%E0%B8%A8%E0%B9%84%E0%B8%94%E0%B9%89%E0%B8%88%E0%B8%A3%E0%B8%B4%E0%B8%87%E0%B9%84%E0%B8%AB%E0%B8%A1
