On September 25-26, CPO’s Atmospheric Chemistry, Climate, and Carbon Cycle (AC4) Program, in partnership with NSF, is supporting a workshop on Air Quality in the Western U.S. (AQUARIUS) in Salt Lake City, Utah. Particulate matter, especially PM2.5 which is harmful to human health, has generally decreased in recent years throughout the U.S., thanks to regulatory policies. However, several western U.S. basins have not seen improvement in wintertime particulate matter concentrations. This suggests there is a gap in understanding how the lower part of our atmosphere and complex chemical processes interact, especially in mountain valleys that often trap polluted air, to produce elevated particulate matter conditions. To improve understanding of these unique regions and processes, AQUARIUS will focus on a future aircraft campaign in the winter of 2021/2022 to investigate wintertime particulate matter in populated mountain basins of the western U.S. Hosted by the University of Utah, the workshop will bring together scientists from NOAA/ESRL and from across the external community.
Learn more about the AQUARIUS workshop »
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