STI Study Examines Using Low-Cost Sensor Network to Measure the Spatial and Temporal Variability of Air Pollution
Prior to and after the study, the 19 sensors were deployed and collocated at a regulatory air monitoring site, and demonstrated a high degree of precision. A sensor-specific correction factor was developed to ensure each sensor reported a comparable value. The AirBeam sensors also had a moderate degree of correlation with regulatory monitors. The collected measurements were used to estimate the spatial variability of particulate matter between environmental justice (EJ) and non-EJ communities, and the results showed no significant difference in average concentrations between the communities.