Category: Air Quality Research Projects

Daily Wintertime PM2.5 Speciation at Hawthorne and Smithfield

For the primary purposes of better validating Utah DAQ’s photochemical modeling, UDAQ will do more frequent speciation of wintertime PM2.5 filters. EPA’s Chemical Speciation Network (CSN) requirements specify either one-in-three or one-in-six day speciation of PM2.5 at three Utah locations (Hawthorne, Bountiful, and Lindon).

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TRAX Air Quality Observation Project

Utah’s Wasatch Front experiences poor air quality episodes during both summer and winter due to its unique weather, topography, and pollutant emissions. During winter, inversions trap unhealthy concentrations of fine particulate matter (PM2.5), while high pressure during summer leads to elevated ozone (O3) levels.

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Annual Conference:
Science for Solutions

DAQ Contact: Chris Pennell Air Quality: Science for Solutions is a new annual conference on air quality, especially geared toward Utah and the Intermountain West. The mission of this conference is to facilitate a cross-pollination of ideas and the development of solutions to Utah’s air quality problems. This conference series targets academic researchers from various …

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Diesel Cold Start Emissions

Principal Investigator: Nancy Daher Ph. D., Utah Division of Air Quality DAQ, USU and WSU researchers will extensively evaluate emissions change during cold start, hot start, and during transient cycle utilizing a Portable Emission Analyzer system (PEMS). This analysis will help us understand the true emission impact from diesel engine during cold/hot start and extended transient …

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