About 22,000 miles above the equator, NASA's Tropospheric Emissions: Monitoring of Pollution (TEMPO) instrument has started returning images and data showing the concentration of pollution in U.S.

WASHINGTON — A new, space-based instrument will soon deliver detailed data and analysis of air pollution over greater North America. The instrument is called TEMPO, short for Tropospheric Emissions: ...

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few ...

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