Latest Science Features
The Nature of Ozone in Deep Convective Clouds
Ozone within deep convective clouds is controlled by several factors involving photochemical reactions and transport. Gas-phase photochemical reactions and heterogeneous surface chemical reactions involving ice, water particles, and aerosols inside the clouds all contribute to the distribution and net production and loss of ozone.
Improvement in modeled tropospheric ozone
Tropospheric ozone is an important climate gas and an air pollutant. It plays a major role in tropospheric chemistry, such as serving as the main source for the hydroxyl radical, the atmosphere's primary oxidant.
Long-Term Global Sulfur Dioxide Pollution Monitoring
From the Ozone Monitoring Instrument to the Ozone Mapping Profiler Suite : As Aura has entered the stage of extended mission and OMI has lost part of its spatial coverage due to instrument issues, it is critical to continue the global anthropogenic sulfur dioxide record with new instruments.
Next : 2016 Observations
Aura In the News
Satellite Finds Unreported Sources of Sulfur Dioxide
6.07.2016 - NASA Earth Observatory's Image: The map shows a regional picture of sulfur dioxide emissions as detected by the Ozone Monitoring Instrument (OMI) on NASA's Aura spacecraft.
NASA Satellite Finds Unreported Sources of Toxic Air Pollution
6.01.2016 - Using a new satellite-based method, scientists at NASA, Environment and Climate Change Canada, and two universities have located 39 unreported and major human-made sources of toxic sulfur dioxide emissions.
NASA Scientists Scrutinize Arctic Gas Flaring Pollution
4.26.2016 - Flaring of waste natural gas from industrial oil fields in the Northern Hemisphere is a potential source of significant amounts of nitrogen dioxide and black carbon to the Arctic, according to a new NASA study, which features OMI Nitrogen dioxide data.