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<front>
<journal-meta>
<journal-id journal-id-type="publisher">EGUsphere</journal-id>
<journal-title-group>
<journal-title>EGUsphere</journal-title>
<abbrev-journal-title abbrev-type="publisher">EGUsphere</abbrev-journal-title>
<abbrev-journal-title abbrev-type="nlm-ta">EGUsphere</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub"></issn>
<publisher><publisher-name>Copernicus Publications</publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/egusphere-2026-235</article-id>
<title-group>
<article-title>Real-time automated quality control of atmospheric aerosol time series</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Houben</surname>
<given-names>Timo</given-names>
<ext-link>https://orcid.org/0000-0002-8189-7192</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Müller</surname>
<given-names>Thomas</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Lünenschloss</surname>
<given-names>Peter</given-names>
<ext-link>https://orcid.org/0000-0001-9602-1997</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Voigtländer</surname>
<given-names>Jens</given-names>
<ext-link>https://orcid.org/0000-0001-7278-3831</ext-link>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Trabert</surname>
<given-names>Thomas</given-names>
<ext-link>https://orcid.org/0009-0007-0468-9828</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Vosgerau</surname>
<given-names>Ema</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Schäfer</surname>
<given-names>David</given-names>
<ext-link>https://orcid.org/0000-0003-4517-6459</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Bumberger</surname>
<given-names>Jan</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff4">
<sup>4</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Helmholtz Centre for Environmental Research - UFZ, Research Data Management - RDM, Permoserstraße 15, 04318  Leipzig, Germany</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Helmholtz Centre for Environmental Research - UFZ, Department Monitoring and Exploration Technologies, Permoserstraße 15, 04318 Leipzig, Germany</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany</addr-line>
</aff>
<aff id="aff4">
<label>4</label>
<addr-line>German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstraße 4, Leipzig 04103, Germany</addr-line>
</aff>
<pub-date pub-type="epub">
<day>13</day>
<month>03</month>
<year>2026</year>
</pub-date>
<volume>2026</volume>
<fpage>1</fpage>
<lpage>39</lpage>
<permissions>
<copyright-statement>Copyright: &#x000a9; 2026 Timo Houben et al.</copyright-statement>
<copyright-year>2026</copyright-year>
<license license-type="open-access">
<license-p>This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit <ext-link ext-link-type="uri"  xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link></license-p>
</license>
</permissions>
<self-uri xlink:href="https://egusphere.copernicus.org/preprints/2026/egusphere-2026-235/">This article is available from https://egusphere.copernicus.org/preprints/2026/egusphere-2026-235/</self-uri>
<self-uri xlink:href="https://egusphere.copernicus.org/preprints/2026/egusphere-2026-235/egusphere-2026-235.pdf">The full text article is available as a PDF file from https://egusphere.copernicus.org/preprints/2026/egusphere-2026-235/egusphere-2026-235.pdf</self-uri>
<abstract>
<p>Automated, reproducible quality control (QC) of aerosol optical time series is essential for comparable, reusable data in observation networks and research infrastructures. We present a real-time-capable QC workflow for AE33 Aethalometer equivalent black carbon (&lt;em&gt;eBC&lt;/em&gt;) and Aurora 4000 nephelometer scattering measurements (&lt;em&gt;&amp;sigma;&lt;/em&gt;&lt;sub&gt;sca&lt;/sub&gt;). The workflow is implemented in the open-source SaQC framework and wrapped by the actris_qc package, which encodes community QA/QC recommendations into a three-stage, machine-readable rule set for device-control, channel-specific and derived-variable checks. The pipeline is parameterised using a catalogue of instrument anomalies from the urban TROPOS site and validated at the rural Melpitz station, demonstrating robust transfer across contrasting environments. It reliably flags outliers, noise, plateaus and device malfunctions while preserving genuine atmospheric variability and achieves real-time performance on standard hardware. The modular, configuration-driven design enables straightforward adaptation to additional instruments and networks, providing harmonised QC flags and provenance and enabling FAIR-compliant and AI-ready downstream use in monitoring systems.</p>
</abstract>
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