Reference and sensor data from grassland prescribed burn experiments in 2017 and chamber burn experiments in 2018 used in the paper "Summary of Evaluation of Commercially Available Air Sensor Performance in Biomass Burning Plumes" by Whitehill et al. This dataset is associated with the following publication: Whitehill, A., R. Long, S. Urbanski, M. Colon, A. Habel, and M. Landis. Evaluation of carpool and aeroqual air sensors in biomass burning plumes. ATMOSPHERE. MDPI, Basel, SWITZERLAND, 13(6): 877, (2022).