AirBeam2 “Quite Accurate” According to Newly Released Performance Evaluation

During the summer and fall of 2018, South Coast Air Quality Management District (SCAQMD) evaluated the field performance of the AirBeam2 against three Federal Equivalent Method (FEM) instruments. The results were positive for the AirBeam2’s PM1 and PM2.5 measurements, with R-squared values ranging from .64 to .94, and negative for the AirBeam2s PM10 measurements, with [...]