Hi! I'm Kristen Okorn, a postdoc at NASA Ames focusing on low-cost air quality sensor networks. I'm currently compiling some information on different low-cost sensor networks to propose a sensor data unification project via NASA Earthdata. I know there are a few other sensor people in HAQAST - if you operate a network or know of any lesser-known networks that I should look into including please let me know! Happy to share more info about the project and my own sensor network (INSTEP) via email or virtual meeting. Thanks HAQAST team 
