An analysis of degradation in low-cost particulate matter sensors

• DOI: 10.1039/d2ea00142j
• Publication Date: 2023-02-03T15:21:35Z
• Authors: Priyanka deSouza; Karoline Barkjohn; Andrea Clements; Jenny Lee; Ralph Kahn; Ben Crawford; Patrick Kinney
• Keywords: Divergence (linguistics); Degradation

PurpleAir sensors are widely used to measure PM 2.5 levels in cities around the world. However, little is known about change sensor performance over time. This paper fills this gap.