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With new regulations of ozone-forming pollutants, bad air quality days in the eastern United States have dropped.
Published May 26, 2016
New research shows that neighborhoods in Washington, D.C., with more people of color are exposed to more air pollution and have higher rates of disease.
Published Nov 9, 2021Image of the Day Atmosphere Land Life Human Presence Remote Sensing
Understanding the chemical precursors of ground-level ozone may make it easier to prevent the pollutant from building up in the lower atmosphere.
Published Nov 7, 2017
Fine particles of pollution lodge deep in the lungs, where they cause serious health problems. Scientists are working to tally the global consequences.
Published Sep 19, 2013
NASA’s Aura satellite observes nitrogen dioxide hovering over many cities in the region, trapped by winter weather conditions.
Published Jan 18, 2013
Air pollution far more severe than what’s common today used to plague many American towns and cities.
Published Sep 2, 2014
Smoke from fires in southwestern Oregon drifted over much of Oregon in this true color image from late September 2009. The associated aerosol image reveals that the smoke reached as far east as eastern Montana and central Canada, illustrating that pollution travels long distances.
Published Oct 21, 2009
Air pollution is less common in southern China, but Guangdong province can still get pretty hazy.
Published Jan 23, 2018
An outbreak of severe pollution prompted officials in Paris to bar half of all vehicles from the roads.
Published Mar 18, 2014
