uHoo - The most advanced indoor air toxin sensor
WatchAware - Curated collection of the best third-party Apple Watch bands
AWAIR - A smart air quality monitor
Reserve Strap - A band that charges your Apple Watch
Flow by Plume Labs - The smart air quality tracker to help you find clean air
Fitbit Blaze - Fitbit Blaze is a smartwatch that includes both a heart rate monitor and a fitness activity tracker. It comes with a color touchscreen, and you can change both the watch's strap and frame. Read more about Fitbit Blaze.