This great tool picks up advertisement bluetooth data from any PAM device broadcasting air quality data. Device supplied by 2B Technologies measures CO2, CO, PM1.0, PM2.5, PM10, RH, Pressure, and Temperature. Finds the closest local air quality stations to your device to display realtime live EPA data along with the air quality data from your hand held PAM device. Allows you to upload and or store your trek for later viewing. Make notes/comments on measurement data such as "I just saw a big plume of smoke come out of a diesel truck that drove by!".