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On July 12, 2008, Okmok Volcano, in Alaska’s Aleutian Islands erupted, releasing a plume of ash and steam.
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Sulfur Dioxide from Okmok Volcano, July 2008
Sulfur Dioxide from Okmok Volcano, July 2008
Both images in the slide show the global spreading of carbon dioxide on the Earth globe as it follows the large scale patterns of the atmospheric general circulations.
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Mid-Tropospheric Carbon Dioxide at 8-13 km Altitudes, July 2003 and July 2007
Mid-Tropospheric Carbon Dioxide at 8-13 km Altitudes, July 2003 and July 2007
Although originally designed to measure atmospheric water vapor and temperature profiles for weather forecasting, data from the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecr...
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Global Carbon Dioxide, July 2003
Global Carbon Dioxide, July 2003
NASA's Aqua satellite in high bay
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NASA's Aqua satellite in high bay
NASA's Aqua satellite in high bay
These false-color images show the amount of atmospheric water vapor observed by AIRS two weeks prior to the passage of Hurricane Isabel, and then when it was a Category 5 storm. 
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Amount of Atmospheric Water Vapor in Hurricane Isabel as Observed By AIRS
Amount of Atmospheric Water Vapor in Hurricane Isabel as Observed By AIRS
This animation shows how light energy is collected by the optics system on the Atmospheric Infrared Sounder (AIRS) instrument and digitized.
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This animation shows how light energy is collected by the optics system on the Atmospheric Infrared Sounder (AIRS) instrument and digitized.
Light Travels Through AIRS Optics
NASA's Aqua satellite in high bay, prepare to hoist
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NASA's Aqua satellite in high bay, prepare to hoist
NASA's Aqua satellite in high bay, prepare to hoist
NASA’s latest Earth Observing System (EOS) satellite — Aqua — successfully launched Saturday morning, May 4, 2002.
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Artist's rendering of NASA's Aqua Satellite
Artist's rendering of NASA's Aqua Satellite
The Atmospheric Infrared Sounder (AIRS) instrument in the assembly facility, 1999. 
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AIRS instrument
AIRS instrument
Mt. Etna, a volcano on the island of Sicily, erupted on October 26, 2002. 
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Sulfur Dioxide Plume from Mt. Etna Eruption 2002
Sulfur Dioxide Plume from Mt. Etna Eruption 2002
The Atmospheric Infrared Sounder, AIRS, was launched aboard the Aqua Spacecraft in 2002 as part of NASA's Earth Observing System Afternoon Constellation of satellites known as the 'A-Train.
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Arctic Carbon Dioxide, March 23, 2010
Arctic Carbon Dioxide, March 23, 2010
This image represents the total precipitable water vapor for May, 2009 as observed by AIRS, the Atmospheric Infrared Sounder (AIRS) on NASA's Aqua satellite.
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Global Total Precipitable Water Vapor for May 2009
Global Total Precipitable Water Vapor for May 2009
This visualization shows 3D volumetric water vapor data from the Aqua/Atmospheric Infrared Sounder (AIRS) instrument.
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Water Vapor In Storm Front Near Southern California, January 2003
Water Vapor In Storm Front Near Southern California, January 2003
In order to validate the performance of the AIRS zonal cloud frequency and amount, we compare the zonal cloud frequency from CloudSat and CALIPSO (two left panels). Then, we derive the frequency of...
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Zonal Height Cross-Sectional Averages, AIRS, CloudSat, and CALIPSO
Zonal Height Cross-Sectional Averages, AIRS, CloudSat, and CALIPSO
The cross-sections above are from a granule in the Tropical Indian Ocean and show collocated CloudSat, CALIPSO, and AIRS cloud fields as a function of height. The images illustrate the ability of A...
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Vertical Cross-Sections of CloudSat, CALIPSO, and AIRS Cloud Fields
Vertical Cross-Sections of CloudSat, CALIPSO, and AIRS Cloud Fields
Supertyphoon Pongsona over Guam, December 8, 2002. The image is a composite made by overlaying data from the infrared, microwave, and visible/near infrared sensors that make up the AIRS sounding sy...
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Supertyphoon Pongsona over Guam, 2002
Supertyphoon Pongsona over Guam, 2002
This plot shows the concentration of carbon dioxide in Earth's mid-troposphere at various latitudes as measured by the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite.
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Zonally Averaged Carbon Dioxide Concentration from Earth's Mid-Troposphere at Different Latitudes, 2002 to 2013
Zonally Averaged Carbon Dioxide Concentration from Earth's Mid-Troposphere at Different Latitudes, 2002 to 2013
The Atmospheric Infrared Sounder (AIRS) instrument in the assembly facility, 1999. 
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AIRS instrument
AIRS instrument
NASA's Aqua satellite in high bay
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NASA's Aqua satellite in high bay
NASA's Aqua satellite in high bay
This image shows average temperatures in April, 2003, observed by AIRS at an infrared wavelength that senses either the Earth's surface or any intervening cloud. 
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Global Average Brightness Temperature for April 2003
Global Average Brightness Temperature for April 2003
AIRS radiances and standard retrievals were used to obtain thin cirrus particle size and optical depth over the tropical oceans.
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Tropical thin cirrus retrievals of particle size and optical depth from AIRS
Tropical thin cirrus retrievals of particle size and optical depth from AIRS
Water vapor is the dominant greenhouse gas in our atmosphere. The greenhouse effect of water vapor is enhanced at high altitudes, where the air is significantly colder than the ground, and increase...
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Mean Clear Air Precipitable Water, 500mb to top-of-atmosphere, January and July 2003
Mean Clear Air Precipitable Water, 500mb to top-of-atmosphere, January and July 2003
This graph made with data from the Atmospheric Infrared Sounder on NASA's Aqua satellite shows the concentration of carbon dioxide in Earth's mid-troposphere, located roughly between 3 to 6 miles (...
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Concentration of Atmospheric Carbon Dioxide from Earth's Mid-Troposphere, 2002 to 2013
Concentration of Atmospheric Carbon Dioxide from Earth's Mid-Troposphere, 2002 to 2013
The Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecraft captured this infrared image of the first of a series of storms approaching the Pacific Northwest at 2141 UTC (1:41 p.m....
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West Coast Atmospheric River Event November 2012
West Coast Atmospheric River Event November 2012
This series of images shows carbon monoxide (in orange/red) from California's massive wildfires drifting east across the U.S. between July 30 and August 7, 2018. 
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Carbon Monoxide Transport from California Wildfires, July 30-August 7, 2018
Carbon Monoxide Transport from California Wildfires, July 30-August 7, 2018

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