I am not affiliated with this product at all but thought it was a cool way of displaying the airgradient dashboard on a cool eink display. Maybe someone could help with getting a plugin ready?
I am talking about TRMNL, a developer-friendly open source product that allows to display simple bitmaps on a decent looking little eink display: https://usetrmnl.com/
It has several different ways of adding custom data sources. This video by snazzylabs gave a great overview:
https://www.youtube.com/watch?v=eIcZZX10pa4