Urban Aerosols

A Decade of On-Road Heavy-Duty Diesel Truck Emission Control Performance Characterization during California’s Fleet Modernization. CHELSEA V. PREBLE, Robert Harley, Thomas W. Kirchstetter, University of California, Berkeley

Accessibility to Localized Fine Particulate Matter (PM2.5) Data from Purple Air Sensors in Major U.S. Cities. MOHAMMED AHMED, Daniel Gingerich, Andrew May, The Ohio State University

Air Pollution We Breathe: Assessing the Air Quality and Human Health Impact in a Megacity of Southeast Asia. HAIDER KHWAJA, Fatim Sannoh, Zafar Fatmi, David Carpenter, Muhayatun Santoso, Azhar Siddique, Kamran Khan, Jahan Zeb, Mirza M. Hussain, Wadsworth Center, University at Albany

Analysis of Particulate Matter Fraction in an Urban Area, Brazil. RAFAELA SQUIZZATO, Thiago Nogueira, Caroline Fernanda Hei Wikuats, Maria de Fatima Andrade, Edmilson Dias de Freitas, University of São Paulo

Anthropogenic Monoterpenes and Monoterpenoids as Important Precursors for Secondary Organic Aerosol in US Cities. MASOUD AKBARZADEH, Huiying Luo, Abraham Dearden, Alison Piasecki, Ann M. Middlebrook, Lauren A. Garofalo, Delphine K. Farmer, Matthew Coggon, Cort Zang, Karl Seltzer, Benjamin Murphy, Havala Pye, Katelyn Rediger, Carsten Warneke, Damien Ketcherside, Lu Hu, Tucker Melles, Audrey Lawrence, Megan Willis, Shantanu Jathar, Colorado State University

Assessing Spatiotemporal Variability of PM2.5 Sources in Salt Lake County Utah during Persistent Cold Air Pool Events. Michael Hannigan, Colleen Reid, Daniel Mendoza, Emma Rieves, MiKyla Harjamaki, JONATHAN SILBERSTEIN, University of Colorado at Boulder

Associating Traffic Related Aerosol in the Near-Road Environment to Urban Characteristics. RICARDO MORALES BETANCOURT, Daniela Mendez, Diego Roberto Rojas-Neisa, Luis Angel Guzman, Universidad de los Andes

Diel Formation and Oxidative Aging of Secondary Organic Aerosol Generated from Phenol Using a Combined Smog Chamber and Oxidation Flow Reactor Approach. DAVID PANDO, Bin Bai, Chase Glenn, Andrew Lambe, Pengfei Liu, Nga Lee Ng, Georgia Institute of Technology

Direct Observation of Wintertime Secondary Formation of Sulfate in Ambient Aerosols in Fairbanks, Alaska. JINGQIU MAO, Kunal Bali, James Campbell, Ellis Robinson, Peter F. DeCarlo, Amna Ljaz, Brice Temime-Roussel, Barbara D'Anna, William Simpson, Athanasios Nenes, Rodney J. Weber, University of Alaska Fairbanks

Elucidating Spatial Variations of Non-Tailpipe Emissions through Comprehensive Saturation and Mobile Measurements across Two Seasons. CHEOL H. JEONG, Yee Ka Wong, Nicole Trieu, Sophie Roussy, Maria-Teresa Pay-Perez, Xing Wang, Taylor Edwards, Junshi Xu, Milad Saeedi, Arman Ganji, Bruce Urch, Marianne Hatzopoulou, Arthur W. H. Chan, Scott Weichenthal, Greg J. Evans, SOCAAR, University of Toronto

Enhancing Polycyclic Aromatic Hydrocarbons (PAHs) Quantification through High-Resolution Aerosol Mass Spectrometry for Mobile Sampling. OLADAYO OLADEJI, Albert Presto, Carnegie Mellon University

Estimation of Total and Biomass-Based BC at African Cities by Applying Image-Reflectance Method on Bam Tapes. Abhishek Anand, Richard Djarbeng, Evelyne Toure, Julien Bahino, Sylvain Gnamien, Allison Felix Hughes, Raphael E Arku, Victoria Owusu Tawiah, Araya Asfaw, Tesfaye Mamo, Sina Hasheminassab, Solomon Bililign, Daniel Westervelt, ALBERT A. PRESTO, Carnegie Mellon University

Exploring the Mechanisms of New Particle Formation in Houston with an Outdoor Chamber. JEREMY WAKEEN, Xuanlin Du, Samuel O'Donnell, Don Collins, Jeffrey R. Pierce, James Smith, University of California, Irvine

Hyperlocal Mobile Monitoring of Particle-Bound Metals in Two Environmental Justice (EJ) Communities in the South Coast Air Basin. Mohammad Sowlat, CHRISTOPHER LIM, Steven Boddeker, Julia Montoya-Aguilera, Zihan Zhu, Sina Hasheminassab, Payam Pakbin, Andrea Polidori, Jason Low, South Coast Air Quality Management District

Impact of Fixed Sources on Urban Aerosol Formation in Sao Paulo State, Brazil. IARA DA SILVA, Caroline Fernanda Hei Wikuats, Tailine Corrêa dos Santos, Leila Droprinchinski Martins, Edmilson Dias de Freitas, University of São Paulo

Impact of Urban Form on pm2.5 Concentration in Indian Metropolitan Cities. HIMANK SEN, Lovleen Gupta, Delhi Technological University

In-Situ Secondary Organic Aerosol Formation Rate in Houston during the Tracking Aerosol Convection Interactions Experiment (Tracer) Field Campaign. CHUN-YING CHAO, Fangzhou Guo, Donna Sueper, Subin Yoon, Kimberly Sauceda, Zihan Zhu, Sergio Alvarez, Shan Zhou, Manisha Mehra, Sujan Shrestha, Prakash Sharma, James Flynn, Rebecca J. Sheesley, Sascha Usenko, Don Collins, Robert Griffin, Rice University

Investigating Contributors to Nanoparticle Growth Using an Ambient Air-Tracking Chamber. XUANLIN DU, Jeremy Wakeen, Samuel O'Donnell, Jeffrey R. Pierce, James Smith, Don Collins, University of California, Riverside

Investigating Thermal-stress Response in Common Landscaping Plant to Elucidate Changes in Urban Forest BVOC Emissions as a Result of Climate Change. JASMINE OSEI-ENIN, Juan Flores, Celia Faiola, University of California, Irvine

Lake Breeze Effects on Urban Climate and Air Quality in Chicago Using Microsoft Eclipse Network. Xiaoyu Chen, Jhao-Hong Chen, Peiyuan Li, Scott Collis, Rao Kotamarthi, Paytsar Muradyan, Ashish Sharma, Lu Xu, JIAN WANG, Washington University in St. Louis

Mapping the Spatial Distribution of 2.5 to 10 nm and Total Particle Concentrations on Highways, Secondary, and Tertiary Roads. JONAH HAZELWOOD, Lintong Cai, Stephanie Bachman, Nicholas Meskhidze, Markus Petters, North Carolina State University

Modeling the BC and PM2.5 Emissions Changes and Exposure Impacts of Medium- and Heavy-Duty Truck Modernization and Decarbonization. JAMES D.A. BUTLER, Chelsea V. Preble, Fona Ou, Wanshi Hong, Bin Wang, Alan Jenn, Thomas W. Kirchstetter, Ling Jin, University of California, Berkeley

New Particle Formation Events in Urban, Agricultural, and Arctic Environments. Haebum Lee, Hyungjin Cho, Young Jun Yoon, Joonwoo Kim, Bang Yong Lee, KIHONG PARK, Gwangju Institute of Science and Technology

Online Molecular Characterization of Oxygenated Organic Compounds in Gas and Particle Phases in Winter Fresno: Influences From Residential Wood Burning and Aqueous Phase Processing. WENQING JIANG, Christopher Niedek, Anita Avery, Harald Stark, Manjula Canagaratna, Qi Zhang, University of California, Davis

Primary and Secondary Emissions from a Modern Fleet of City Buses. LIYUAN ZHOU, Qianyun Liu, Christian M. Salvador, Michael Le Breton, Mattias Hallquist, Jian Zhen Yu, Chak K. Chan, Åsa M. Hallquist, King Abdullah University of Science and Technology

Quantifying HAPs from Tier II and Tier III OGVs. KYAH GRACIA, University of California, Riverside

Seasonal Variations and Chemical Drivers of the Oxidative Potential of PM2.5 in Sao Paulo, Brazil: Insights from DTT and ESR Assays. CAROLINE FERNANDA HEI WIKUATS, Thiago Nogueira, Alessandra Tammaro, Flemming Cassee, Maria de Fatima Andrade, University of São Paulo

Secondary Organic Aerosol Formation from Tire Emissions in an Oxidation Flow Reactor. MINGHAO HAN, Don Collins, University of California, Riverside

Status Update and Preliminary Results from the Ground-Based Particulate Matter Monitoring Network of the Multi-Angle Imager for Aerosols (MAIA) Investigation. SINA HASHEMINASSAB, David Diner, Jeff Blair, Ann M. Dillner, Yang Liu, Christian L'Orange, Randall Martin, Christopher Oxford, Jeremy A. Sarnat, MAIA Team, Jet Propulsion Laboratory, Caltech

The Impact of Structure on Alkane SOA Formation. AZAD MADHU, Myoseon Jang, Yujin Jo, University of Florida

The Role of Oxidized Organic Compounds in Urban New Particle Formation. LEE TISZENKEL, James Flynn, Shanhu Lee, The University of Alabama in Huntsville

Two-stage Secondary Organic Aerosol Formation in Low-temperature Combustion. ANITA ANOSIKE, Omar El Hajj, Chase Glenn, Samuel Hartness, Annabelle W. Hill, Nicholas Dewey, Daelyn Moore, Heeseung Choi, Jonathan Amster, Brandon Rotavera, Rawad Saleh, University of Georgia

Using Colocations from 25+ Cities to Create a Global Correction for Optical Low-Cost PM2.5 Sensors. GARIMA RAHEJA, Daniel Westervelt, Columbia University