NASA's new air pollution satellite is giving live updates on hotspots across North America

Aug 31, 2023

TEMPO is a space-based instrument that can measure air pollution in North America hourly. Image: Unsplash/Ivan Aleksic

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This pair of images shows nitrogen dioxide levels over the DC/Philadelphia/New York region at 12:14 and 4:24 p.m. on August 2, as measured by TEMPO. Image: Kel Elkins, Trent Schindler, and Cindy Starr/NASA's Scientific Visualization Studio

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This pair of images shows nitrogen dioxide levels over Southern California at 12:14 and 4:24 p.m. on August 2, as measured by TEMPO. Image: Kel Elkins, Trent Schindler, and Cindy Starr/NASA's Scientific Visualization Studio

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