air pollution

Two maps of the Los Angeles area showing changes in nitrogen dioxide over time.

Mapping Air Pollution in the United States

Mark Altaweel

NEMO and TEMPO are two scientific endeavors aimed at producing hourly air pollution maps of the United States.

A globe showing carbon monoxide emissions with dark red for higher emissions and green for lower emissions.

Carbon Monoxide from the California Wildfires

Caitlin Dempsey

As wildfires burn in California, carbon monoxide is rising high up into the atmosphere where a NASA satellite is capturing readings.

PurpleAir provides crowdsourced air quality measurements.

Track Real-Time Air Pollution With this Crowdsourced Map

Caitlin Dempsey

One way to track air quality at the local level is by visiting PurpleAir, an interactive map that pulls in crowdsourced data.

Maps showing NO2 levels in central and eastern portions of the country from February 10–25 (during the quarantine) and April 20 to May 12 (after restrictions were lifted). Source: NASA.

Rebounding Pollution Levels Mark End of Coronavirus Lockdowns

Elizabeth Borneman

As countries reopen during the COVID-19 pandemic, an increase in pollution has been detected by NASA and European satellites.

ESA Launches Global Air Pollution Map

Caitlin Dempsey

The European Space Agency offers an online map that shows global air pollution data collected from its Copernicus Sentinel-5P satellite.

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