Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 13, issue 10
Articles | Volume 13, issue 10
https://doi.org/10.5194/amt-13-5441-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-5441-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 10
Research article
 | 
13 Oct 2020
Research article |  | 13 Oct 2020

Measurements of PM2.5 with PurpleAir under atmospheric conditions

Karin Ardon-Dryer, Yuval Dryer, Jake N. Williams, and Nastaran Moghimi

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Cited articles

AQ-SPEC – the Air Quality Sensor Performance Evaluation Center: PurpleAir PA-II evaluation summary, available at: http://www.aqmd.gov/docs/default-source/aq-spec/summary/purpleair-pa-ii---summary-report.pdf?sfvrsn=4, last access: 1 August 2019. 
Bi, J., Wildani, A., Chang, H. H., and Liu, Y.: Incorporating Low-Cost Sensor Measurements into High-Resolution PM2.5 Modeling at a Large Spatial Scale, Environ. Sci. Technol., 54, 2152–2162, https://doi.org/10.1021/acs.est.9b06046, 2020. 
California wildfires statewide recovery resources: November 2018 Fires, available at: http://wildfirerecovery.org/general-info/, last access: 21 June 2019. 
Castell, N., Dauge, F. R., Schneider, P., Vogt, M., Lerner, U., Fishbain, B., Broday, D., and Bartonova, A.: Can commercial low-cost sensor platforms contribute to air quality monitoring and exposure estimates?, Environ. Int., 99, 293–302, 2017. 
Clements, A., Griswold, W. R. S. A., Johnston, J. E., Herting, M. M., Thorson, J., Collier-Oxandale, A., and Hannigan, M.: Low cost air quality monitoring tools: from research to practice (a workshop summary), Sensors, 17, 2478, https://doi.org/10.3390/s17112478, 2017. 
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Short summary
The PurpleAir PA-II is a low-cost sensor for monitoring changes in the concentrations of particulate matter of various sizes. This study examined the behaviour of multiple PA-II units in four locations in the USA under atmospheric conditions when exposed to a variety of pollutants and different PM2.5 concentrations. The PA-II unit is a promising tool for measuring PM2.5 concentrations and identifying relative concentration changes, as long as the PA-II PM2.5 values can be corrected.
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