The TEMPO instrument is the first to monitor air pollution levels across America in real time.
The first images from NASA's new spaceborne air pollution sensor reveal how levels of toxic pollutants change within a day across the United States. , show the daily evolution of nitrogen oxide concentrations in major North American cities including Los Angeles, Las Vegas, New York, Washington and New Orleans. Nitrogen oxide is a toxic pollutant that comes from fossil fuel combustion.
"TEMPO is beginning to measure hourly daytime air pollution over greater North America," Kelly Chance, a senior physicist at the Smithsonian Astrophysical Observatory and TEMPO principal investigator, said ."It measures ozone, nitrogen dioxide, formaldehyde, aerosols, water vapor and several trace gases," she added.
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