Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 9
Articles | Volume 19, issue 9
https://doi.org/10.5194/amt-19-3123-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-3123-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 9
Research article
 | 
12 May 2026
Research article |  | 12 May 2026

Quantitative uncertainty and post-processing for micro-aethalometers measuring black carbon

Timothy A. Sipkens, Joel C. Corbin, Kerry Chen, Laura-Helena Rivellini, Jonathan Abbatt, and Jason S. Olfert

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Short summary
Aethalometers measure black carbon mass concentrations using light attenuation through a filter capturing particles. This work compares five micro-aethalometers using known mass concentrations of laboratory-generated soot. Uncertainties were found to scale with mass concentration, and an expression is given for the uncertainty as a function of mass concentration, sampling interval, and flow rate. An open-source algorithm is provided for the reanalysis of aethalometer data.
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