Effect of aerosol composition on the performance of low-cost optical particle counter correction factors

Crilley, Leigh R.; Singh, Ajit; Kramer, Louisa J.; Shaw, Marvin D.; Alam, Mohammed S.; Apte, Joshua S.; Bloss, William J.; Hildebrandt Ruiz, Lea; Fu, Pingqing; Fu, Weiqi; Gani, Shahzad; Gatari, Michael; Ilyinskaya, Evgenia; Lewis, Alastair C.; Ng'ang'a, David; Sun, Yele; Whitty, Rachel C. W.; Yue, Siyao; Young, Stuart; Pope, Francis D.

doi:https://doi.org/10.5194/amt-13-1181-2020

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.

https://doi.org/10.5194/amt-13-1181-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 3

Research article

|

10 Mar 2020

Research article |

| 10 Mar 2020

Effect of aerosol composition on the performance of low-cost optical particle counter correction factors

Leigh R. Crilley, Ajit Singh, Louisa J. Kramer, Marvin D. Shaw, Mohammed S. Alam, Joshua S. Apte, William J. Bloss, Lea Hildebrandt Ruiz, Pingqing Fu, Weiqi Fu, Shahzad Gani, Michael Gatari, Evgenia Ilyinskaya, Alastair C. Lewis, David Ng'ang'a, Yele Sun, Rachel C. W. Whitty, Siyao Yue, Stuart Young, and Francis D. Pope

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Final revised paper (published on 10 Mar 2020)
Supplement to the final revised paper
Preprint (discussion started on 07 Oct 2019)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review', Anonymous Referee #1, 06 Nov 2019
- AC1: 'Response to Reviewers 1 and 2', Leigh Crilley, 27 Jan 2020
RC2: 'Review of Crilley et al.', Don Collins, 19 Dec 2019
- AC2: 'Response to Reviewers 1 and 2', Leigh Crilley, 29 Jan 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Leigh Crilley on behalf of the Authors (29 Jan 2020) Author's response Manuscript

ED: Publish subject to technical corrections (02 Feb 2020) by Charles Brock

AR by Leigh Crilley on behalf of the Authors (10 Feb 2020) Author's response Manuscript

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.