Review of urban secondary organic aerosol formation from gasoline and diesel motor vehicle emissions

DR Gentner, SH Jathar, TD Gordon… - … science & technology, 2017 - ACS Publications
Secondary organic aerosol (SOA) is formed from the atmospheric oxidation of gas-phase
organic compounds leading to the formation of particle mass. Gasoline-and diesel-powered …

Environmental pollution in Africa

AO Fayiga, MO Ipinmoroti, T Chirenje - Environment, development and …, 2018 - Springer
Africa is blessed with natural and mineral resources, but exploitation of these resources has
led to extreme pollution of the environment. Population growth and urbanization due to …

Volatile chemical product emissions enhance ozone and modulate urban chemistry

MM Coggon, GI Gkatzelis, BC McDonald… - Proceedings of the …, 2021 - pnas.org
Decades of air quality improvements have substantially reduced the motor vehicle
emissions of volatile organic compounds (VOCs). Today, volatile chemical products (VCPs) …

Inferring Changes in Summertime Surface Ozone–NOx–VOC Chemistry over US Urban Areas from Two Decades of Satellite and Ground-Based Observations

X **, A Fiore, KF Boersma, ID Smedt… - Environmental science & …, 2020 - ACS Publications
Urban ozone (O3) formation can be limited by NO x, VOCs, or both, complicating the design
of effective O3 abatement plans. A satellite-retrieved ratio of formaldehyde to NO2 …

From COVID-19 to future electrification: Assessing traffic impacts on air quality by a machine-learning model

J Yang, Y Wen, Y Wang, S Zhang, JP Pinto… - Proceedings of the …, 2021 - pnas.org
The large fluctuations in traffic during the COVID-19 pandemic provide an unparalleled
opportunity to assess vehicle emission control efficacy. Here we develop a random-forest …

Unexpected slowdown of US pollutant emission reduction in the past decade

Z Jiang, BC McDonald, H Worden, JR Worden… - Proceedings of the …, 2018 - pnas.org
Ground and satellite observations show that air pollution regulations in the United States
(US) have resulted in substantial reductions in emissions and corresponding improvements …

Identifying volatile chemical product tracer compounds in US cities

GI Gkatzelis, MM Coggon, BC McDonald… - Environmental …, 2020 - ACS Publications
With traffic emissions of volatile organic compounds (VOCs) decreasing rapidly over the last
decades, the contributions of the emissions from other source categories, such as volatile …

Air pollution trends measured from Terra: CO and AOD over industrial, fire-prone, and background regions

RR Buchholz, HM Worden, M Park, G Francis… - Remote sensing of …, 2021 - Elsevier
Following past studies to quantify decadal trends in global carbon monoxide (CO) using
satellite observations, we update estimates and find a CO trend in column amounts of …