Your indoor air quality data is sensitive data about your home and it should be stored in the most secured way as possible. Your data can only be accessed by you and the Awair engineering team who might need to access it to troubleshoot your device. Awair runs off of Amazon Web Services and you can find out more about their security standards here
Any data available through the API is abstracted so an individual's information is never visible to the public. Awair encrypts and stores all information over TLS (Transport Layer Security) and AES 256 bit encryption to ensure security.