After 28 days in Salt Lake City plus two weeks of integration, we’ve made it to the end of the UWFPS Campaign!   We are happy to report that the weather cooperated enough for us to complete all of our flight hours, EXACTLY! The last flights were mainly at night and in non-inversion conditions. Even… Read More


And now, a collection of pictures that didn’t make it into the rest of the blog:        … Read More


While emissions that affect air quality are released mostly during the day, there is still chemistry at night that determines how long certain pollutants stick around. This is particularly true for  the chemistry of nitrogen oxides.  NOX (NO and NO2) is emitted from a variety of sources, both natural and human caused. In the winter,… Read More


We’ve talked a lot on this blog about measuring Salt Lake City’s PM2.5 pollution, but you may be wondering: What exactly is PM2.5, and what do we mean when we say we are “measuring” the pollution? Let’s start with the observable problem and work backwards to the science: The city is most concerned with its… Read More


When we arrived in Salt Lake City three weeks ago, the region was in the middle of an inversion event. This was great for the start of our research project because we were able to immediately start using our 80 allotted flight hours. To keep track of our hours and how the project is progressing,… Read More


People in Salt Lake City are very aware of air quality issues that occur during inversion events. As a result, there is great local interest in the work that we’re doing here. To keep people informed, we held a media day on Wednesday, February 1. Interest was particularly high because we were in the midst… Read More