The EPA can call it a good air quality day while your own street tells a different story. Residents across Franklin County kept saying exactly that, and it is why MORPC built the Community-Led Enhanced Air Quality Network, a set of sensors roughly the size of a baseball that plug into an outlet, find the Wi-Fi, and publish their readings where anyone can look them up. JR Diaz-Hernandez runs that work as MORPC's air quality and sustainability program manager, along with the daily forecasts and the alerts that go out when the air turns orange or worse. He walks...