Articles | Volume 13, issue 3
https://doi.org/10.5194/amt-13-1181-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-1181-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
10 Mar 2020
Research article |
| 10 Mar 2020
| 10 Mar 2020
Effect of aerosol composition on the performance of low-cost optical particle counter correction factors
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
now at: Department of Chemistry, York University, Toronto, Canada
Ajit Singh
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
Louisa J. Kramer
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
Marvin D. Shaw
National Centre for Atmospheric Science, Wolfson Atmospheric Chemistry
Laboratories, University of York, York, UK
Mohammed S. Alam
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
Joshua S. Apte
Department of Civil, Architectural and Environmental Engineering, The
University of Texas at Austin, Austin, Texas, USA
William J. Bloss
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
Lea Hildebrandt Ruiz
Department of Civil, Architectural and Environmental Engineering, The
University of Texas at Austin, Austin, Texas, USA
Pingqing Fu
Institute of Surface-Earth System Science, Tianjin University,
Tianjin, China
Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, China
Weiqi Fu
Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, China
Shahzad Gani
Department of Civil, Architectural and Environmental Engineering, The
University of Texas at Austin, Austin, Texas, USA
Michael Gatari
Institute of Nuclear Science and Technology, University of Nairobi,
Nairobi, Kenya
Evgenia Ilyinskaya
School of Earth and Environment, University of Leeds, Leeds, UK
Alastair C. Lewis
National Centre for Atmospheric Science, Wolfson Atmospheric Chemistry
Laboratories, University of York, York, UK
David Ng'ang'a
Institute of Nuclear Science and Technology, University of Nairobi,
Nairobi, Kenya
Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, China
Rachel C. W. Whitty
School of Earth and Environment, University of Leeds, Leeds, UK
Siyao Yue
Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, China
Stuart Young
National Centre for Atmospheric Science, Wolfson Atmospheric Chemistry
Laboratories, University of York, York, UK
Francis D. Pope
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
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Latest update: 06 Dec 2025
Short summary
There is considerable interest in using low-cost optical particle counters (OPCs) for particle mass measurements; however, there is no agreed upon method with respect to calibration. Here we exploit a number of datasets globally to demonstrate that particle composition and relative humidity are the key factors affecting measured concentrations from a low-cost OPC, and we present a simple correction methodology that corrects for this influence.
There is considerable interest in using low-cost optical particle counters (OPCs) for particle...
