https://mi-jch.com/environmental-polution/air-polution-china/%e6%97%a5%e4%b8%ad%e5%8c%bb%e7%99%82%e8%a1%9b%e7%94%9f%e6%83%85%e5%a0%b1%e7%a0%94%e7%a9%b6%e6%89%80%ef%bc%9a-%e6%98%9f%e7%a9%ba%e6%b1%9a%e6%9f%93%e4%ba%88%e6%b8%ac%e7%b6%b2%e3%81%ae%e4%bd%bf%e3%81%84.html
日中医療衛生情報研究所: 星空汚染予測網の使い方