Airvalent CO2 monitors.

https://airvalent.com/

Exciting to see how small these are getting, similar size to apple airpods case. Looking forward to seeing this tech ~1-3 versions from now, where air quality monitoring can just be part of a smartwatch.

The compact design of Airvalent CO2 monitors is impressive! Integrating air quality monitoring into everyday devices like smartwatches could revolutionize how we stay informed about our environment.  imagine the convenience and health benefits of real-time air quality data on your wrist!