Anthropogenic air pollutant emissions, including those from transportation, industrial, residential, and commercial sectors, as well as from wild fires and prescribed burning, contribute to the long-existing air pollution problems (PM2.5/10, VOCs, O3, NOx, SOx, NH3) around the globe, especially in megacities and in the developing world, in addition to the warming produced by greenhouse gas (GHG) emissions. These pollutants have been found to have profound impacts on public health in terms of mortality, asthma, and heart conditions. These adverse effects may be enhanced in the future due to global climate change. Mitigation of the effects of air pollution and substantial reduction of air pollutant emissions are critical issues facing policymakers to protect public health and society development. This session solicits observational, modeling and/or multi-disciplinary scientific investigations of both aerosol and trace gas (composition) pollutants to address process level understanding of air quality issues and their impacts on human, environmental and agricultural health. Atmospheric constituents of interests include: ground-level ozone (O3), oxides of nitrogen (NOx) and sulfur (SOx), ammonia (NH3), methane (CH4), volatile organic compounds (VOCs), airborne respirable particulate matter (PM2.5), and inhalable particulate matter (PM2.5-PM10).

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