Despite declines in transportation emissions, urban North America and Europe still face
unhealthy air pollution levels. This has challenged conventional understanding of the …

Emissions of monoterpenes from volatile chemical products (VCPs) have been shown to
contribute substantially to secondary organic aerosol (SOA) formation in a number of cities …

Anthropogenic volatile organic compounds (VOCs) are serious pollutants in the atmosphere
because of their toxicity and as precursors of secondary organic aerosols and ozone …

We validated the recently updated Caltech Isoprene Mechanism (CIM), which represents the
complex dynamics of isoprene peroxy isomers through repetitive O 2 addition and …

The declining trend in vehicle emissions has underscored the growing significance of
volatile organic compound (VOC) emissions from volatile chemical products (VCPs) …

Air quality policies have made substantial gains by reducing pollutant emissions from the
transportation sector. In March 2020, New York City's activities were severely curtailed in …

We describe an approach for determining limited information about the vertical distribution of
carbon monoxide (CO) and carbon dioxide (CO 2) from total column ground-based Total …

The concentration of 56 volatile organic compounds (VOCs) in the ambient air of Shenyang
was continuously monitored at four sites in 2021. The characteristics, sources, secondary …

Ozone (O 3) concentrations in the South Coast Air Basin (SoCAB) surrounding Los Angeles
remain at unhealthy levels despite multiple decades of control programs designed to reduce …

Ozone has been reported to increase despite nitrogen oxides reductions during the COVID-
19 pandemic, and ozone formation needs to be revisited using volatile organic compounds …