Was looking into something like this recently, but apparently a lot of the sensors out there aren't super precise: - https://www.researchgate.net/publication/3

Was looking into something like this recently, but apparently a lot of the sensors out there aren't super precise: - https://www.researchgate.net/publication/325416608_Suitability_of_the_Low-Cost_SDS011_Particle_Sensor_for_Urban_PM-Monitoring https://www.researchgate.net/publication/325416608_Suitabili... - https://www.scientevents.com/proscience/download/potential-and-limitations-of-the-low-cost-sds011-particle-sensor-for-monitoring-urban-air-quality/ https://www.scientevents.com/proscience/download/potential-a... They are often easy to set up, but make sure to double-check just how much you can use your particular model for.