You can see the real-time indoor fine dust status at a glance at Gyeongsang National University High School.
This work was created using Arduino (ESP8266) and fine dust sensor (PM2008).
There is a forecast for external fine dust, but how much fine dust will be indoors?
Hardware configuration: ESP8266+PM2008
Web Development: NGINX+PHP+MariaDB
App development: Android Studio (formerly MIT App Inventor)
※ Since it is recorded only based on sensor values, there may be differences from actual values.