Sulfur dioxide emissions have declined in the eastern United States and risen slightly in Mexico.
Published May 26, 2017
Using NASA’s Aura satellite and some new analysis techniques, researchers found previously missing or under-reported sources of the pollutant.
Published Jun 7, 2016
Pollution controls can work even as coal-usage continues.
Published Nov 14, 2017
A new analysis of data from the Aura satellite shows greater concentrations of this atmospheric pollutant.
Published Dec 20, 2013
Eruptions are dramatic, but continuous, low-level emissions of volcanic gas are an important input to the atmosphere.
Published Mar 10, 2017
Rapid growth from 2008–2017 built upon the rise in the atmospheric concentration of the gas that has been happening for more than a century.
Published Jul 15, 2020
A decade of satellite observations show how levels of a common air pollutant have changed over Asian skies.
Published Dec 15, 2015
Satellite data show that nitrogen oxide and carbon monoxide are not declining as much as projected by models.
Published May 31, 2018
Devices that limit NOx emissions from electric power plants have helped clear the air over the United States.
Published Jun 27, 2014
Levels of the air pollutant have dropped by about 80 percent over the eastern United States.
Published Dec 22, 2015
Sulfur dioxide emissions from ore processing facilities in Norilsk exceed that of many volcanoes.
Published Jun 8, 2018Image of the Day Atmosphere Land Human Presence Remote Sensing
This image shows measurements of sulfur dioxide in the air over one of the largest power plants in eastern Europe, the Maritsa Iztok Complex in Bulgaria, on January 12, 2009.
Published Jan 27, 2009
Scientists using a NASA satellite found that sulfur dioxide levels in the vicinity of major coal-fired power plants in the U.S. have fallen by half since 2005.
Published Dec 2, 2011
