Cambridge, MA--The first images, collected once per hour over a six-hour time window Aug. 2, give a preview of TEMPO's ability to track nitrogen dioxide on an hourly basis in geographic areas as small as four square miles, or about the size of the National Mall in Washington, D.C. Nitrogen dioxide is a toxic pollutant involved in the formation of ground-level ozone and particle pollution, and it is primarily released from burning fuel. "Our first look at TEMPO's data shows that it is working superbly," said Xiong Liu, the deputy principal investigator of the TEMPO mission, a senior physicist from SAO and a member of the Center for Astrophysics | Harvard & Smithsonian (CfA) in Cambridge, Massachusetts.
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