Test 1/2 for PMS7003 , bme680 and esp32, on an electrical-box and a small fan inside . BME680 use bsec bosch. Gas readings are strong correlated with humidity ( on ULP mode ) , I recommend LP mode. http://airqualitynow.eu/about_indices_definition.
Output from the PMS7003 particle sensor. A work in progress.
Sensor used: PMS7003, Interval: 10min, Procedure: wakeup, wait 30sec, take 15 measures, build average, store, sleep
Mobile device for measuring PM2.5 using a PMS7003 sensor. Interval: 10min