Laboratory Chamber Evaluation of Flow Air Quality Sensor PM 2.5 and PM 10 Measurements

Natalie Crnosija, Misti Levy Zamora, Ana M. Rule and Devon Payne-Sturges
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Natalie Crnosija: Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, 255 Valley Drive, College Park, MD 20742, USA
Misti Levy Zamora: University of Connecticut Health Center, Department of Public Health Sciences, UConn School of Medicine, 263 Farmington Avenue, Farmington, CT 06032-1941, USA
Ana M. Rule: Bloomberg School of Public Health, Environmental Health and Engineering, Johns Hopkins University, 615 N Wolfe St, Baltimore, MD 21205-2103, USA
Devon Payne-Sturges: Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, 255 Valley Drive, College Park, MD 20742, USA

IJERPH, 2022, vol. 19, issue 12, 1-12

Abstract: The emergence of low-cost air quality sensors as viable tools for the monitoring of air quality at population and individual levels necessitates the evaluation of these instruments. The Flow air quality tracker, a product of Plume Labs, is one such sensor. To evaluate these sensors, we assessed 34 of them in a controlled laboratory setting by exposing them to PM 10 and PM 2.5 and compared the response with Plantower A003 measurements. The overall coefficient of determination (R 2 ) of measured PM 2.5 was 0.76 and of PM 10 it was 0.73, but the Flows’ accuracy improved after each introduction of incense. Overall, these findings suggest that the Flow can be a useful air quality monitoring tool in air pollution areas with higher concentrations, when incorporated into other monitoring frameworks and when used in aggregate. The broader environmental implications of this work are that it is possible for individuals and groups to monitor their individual exposure to particulate matter pollution.

Keywords: air pollution; low-cost sensors; particulate matter (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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