This post suggests that Awair might not retain the data >1 year: https://www.reddit.com/r/Awair/comments/ys14fk/awair_just_changed_their_data_retention_from_1/

This post suggests that Awair might not retain the data >1 year: https://www.reddit.com/r/Awair/comments/ys14fk/awair_just_changed_their_data_retention_from_1/ https://www.reddit.com/r/Awair/comments/ys14fk/awair_just_ch... My biggest complaint with Awair is they only let you download the last month of data easily from the app. That said, they are hacker-friendly otherwise -- for example they offer a local API!