Correction and Accuracy of PurpleAir PM<sub>2.5</sub> Measurements for Extreme Wildfire Smoke

PurpleAir particulate matter (PM) sensors are increasingly used in the United States and other countries for real-time air quality information, particularly during wildfire smoke episodes. Uncorrected PurpleAir data can be biased and may exhibit a nonlinear response at extreme smoke concentrations (...

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Bibliographic Details
Main Authors: Karoline K. Barkjohn, Amara L. Holder, Samuel G. Frederick, Andrea L. Clements
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/22/24/9669