Environ. Sci.: Atmos., 2023, 3,1533-1540
DOI: 10.1039/D3EA00079F, Paper

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Priscila Boleta Gonçalves, Joyce Cristale, Amanda Araújo da Silva, Danilo Covaes Nogarotto, Daniela Montanari Migliavacca Osório, Lincoln Lucilio Romualdo, Simone Andréa Pozza
Regional sources and meteorological variables influence the levels of OPEs in PM₁₀ samples from Limeira, Catalão, and Novo Hamburgo. The concentrations found pose no non-carcinogenic risk to human health.
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Environ. Sci.: Atmos., 2023, 3,1396-1406
DOI: 10.1039/D3EA00039G, Paper

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Nina K. Bersenkowitsch, Sarah J. Madlener, Jakob Heller, Christian van der Linde, Milan Ončák, Martin K. Beyer
Tropospheric glyoxylic acid is most likely converted to glyoxylate in sea salt aerosols. We report on the influence of water and salt ions on the structure and photochemistry of glyoxylate.
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Environ. Sci.: Atmos., 2023, 3,1541-1551
DOI: 10.1039/D3EA00072A, Paper

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Xiaomeng Tian, Ruifeng Zhang, Bo Wei, Yalin Wang, Yongjie Li, Chak K. Chan
After photolysis, more acidic particles show an increase in pH, while the more neutralized particles show a decrease in pH. NO₃⁻ and MEA decay rates are more sensitive to the initial pH than RH. Water-soluble BrC and an organic phase were formed as potential secondary organic aerosols (SOAs).
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Environ. Sci.: Atmos., 2023, 3,1513-1532
DOI: 10.1039/D3EA00060E, Paper

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Paul J. DeMott, Thomas C. J. Hill, Kathryn A. Moore, Russell J. Perkins, Liora E. Mael, Heidi L. Busse, Hansol Lee, Chathuri P. Kaluarachchi, Kathryn J. Mayer, Jonathan S. Sauer, Brock A. Mitts, Alexei V. Tivanski, Vicki H. Grassian, Christopher D. Cappa, Timothy H. Bertram, Kimberly A. Prather
Ice nucleating particles (INPs) in sea spray aerosol (SSA) are important for ice formation in clouds over oceans. We found that SSA INP concentrations during a phytoplankton bloom were degraded with exposure to 3 to 8 days of atmospheric oxidation.
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Environ. Sci.: Atmos., 2023, Advance Article
DOI: 10.1039/D3EA00098B, Paper

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Wade Permar, Catherine Wielgasz, Lixu Jin, Xin Chen, Matthew M. Coggon, Lauren A. Garofalo, Georgios I. Gkatzelis, Damien Ketcherside, Dylan B. Millet, Brett B. Palm, Qiaoyun Peng, Michael A. Robinson, Joel A. Thornton, Patrick Veres, Carsten Warneke, Robert J. Yokelson, Emily V. Fischer, Lu Hu
Rapid production of formic acid in biomass burning smoke is not captured by the Master Chemical Mechanism (MCM) nor simplified GEOS-Chem chemistry, likely due to missing secondary chemical production.
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Environ. Sci.: Atmos., 2023, Advance Article
DOI: 10.1039/D3EA00118K, Paper

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Olivia M. Longsworth, Conor J. Bready, Macie S. Joines, George C. Shields
Secondary aerosols form from gas-phase molecules that create prenucleation complexes, which grow to form aerosols. Understanding how secondary aerosols form in the atmosphere is essential for a better understanding of global warming.
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Environ. Sci.: Atmos., 2023, 3,1563-1575
DOI: 10.1039/D3EA00086A, Paper

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Eric A. Wendt, Bonne Ford, Michael Cheeseman, Zoey Rosen, Jeffrey R. Pierce, Shantanu H. Jathar, Christian L'Orange, Casey Quinn, Marilee Long, John Mehaffy, Daniel D. Miller-Lionberg, David H. Hagan, John Volckens
A novel instrument designed for crowdsourced data collection on air quality and aerosol optical depth.
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Environ. Sci.: Atmos., 2023, Advance Article
DOI: 10.1039/D3EA00034F, Paper

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J. Lasne, A. Lostier, M. N. Romanias, S. Vassaux, D. Lesueur, V. Gaudion, M. Jamar, R. G. Derwent, S. Dusanter, T. Salameh
VOC emissions from asphalt pavements at service temperature contribute significantly to SOA formation in urban areas.
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Environ. Sci.: Atmos., 2023, 3,1552-1562
DOI: 10.1039/D3EA00085K, Paper

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Amna Ijaz, William Kew, Zezhen Cheng, Susan Mathai, Nurun Nahar Lata, Libor Kovarik, Simeon Schum, Swarup China, Lynn R. Mazzoleni
Laser desorption ionisation, coupled with ultrahigh-resolution mass spectrometry, provides an apt reflection of the physical properties of tar balls in wildfire smoke.
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Environ. Sci.: Atmos., 2023, Advance Article
DOI: 10.1039/D3EA00083D, Paper

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Adam Milsom, Adam M. Squires, Christopher Brasnett, William N. Sharratt, Annela M. Seddon, Christian Pfrang
We present acoustic levitation combined with polarising optical microscopy (AL-POM). Fatty acid aerosols were probed and a model fit revealed a ca. 5–6 orders of magnitude difference in water diffusion coefficient upon a phase transition between optically birefringent and non-birefringent phases.
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