Amazon has announced its Smart Air Quality Monitor that alerts people when it detects harmful particles, such as carbon monoxide and dust. The device is compatible with Alexa Routines, which allow the monitor to trigger other smart devices that can improve your air quality.
https://www.notebookcheck.net/Amazon-launches-a-Smart-Air-Quality-Monitor-with-claims-that-it-can-improve-your-sleep.577373.0.html