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Jet Propulsion Laboratory California Institute of Technology
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TOP STORY


AQUA TURNS 20

Since 2002, NASA’s Aqua satellite, carrying AIRS and other instruments, has
orbited the Earth more than 100,000 times, and produced one of the longest
near-continuous records of Earth observation data ever assembled. MORE ›
MORE


TOP STORY


NASA FINDS EACH STATE HAS ITS OWN CLIMATIC THRESHOLD FOR FLU OUTBREAKS

AIRS satellite data illuminates a critical relationship between low humidity and
the outbreak of flu in the U.S. More ›
More


20 YEARS OF AIRS: A STORY IN VISUALIZATIONS

The visualizations and images presented here show several quantities AIRS has
observed over its 20 year lifetime. Most of these quantities have a common
trait: the effects over the past two decades of human activities are easily seen
in the AIRS observations. MORE ›
MORE


TOP STORY


WHAT AIRS HAS OBSERVED OVER 20 YEARS IN SPACE

May marks the 20th anniversary of the launch of JPL’s Atmospheric Infrared
Sounder (AIRS) aboard NASA’s Aqua satellite. A selection of features, videos and
animations highlight what AIRS has observed over the 20 years and the impact it
has had. MORE ›
MORE


WEATHER AND CLIMATE FROM SPACE

AIRS data are critical in the monitoring of Earth’s atmosphere, improving
weather forecasts and enhancing our understanding of Earth’s climate More ›
More



Soundings Per Day
324,000
Soundings To Date
2,355,469,026
Spectra Per Day
2,916,000
Spectra To Date
21,199,221,238

--------------------------------------------------------------------------------

Aqua Mission Clock
20yrs
02mos
21days
04hrs
42mins
17secs

--------------------------------------------------------------------------------


ABOUT AIRS



AIRS, the Atmospheric Infrared Sounder on NASA's Aqua satellite, gathers
infrared energy emitted from Earth's surface and atmosphere globally, every day.
Its data provides 3D measurements of temperature and water vapor through the
atmospheric column along with a host of trace gases, surface and cloud
properties. AIRS data are used by weather prediction centers around the world to
improve their forecasts. They are also used to assess the skill of climate
models and in applications ranging from volcanic plume detection to drought
forecasting.



learn more


MEETINGS & ANNOUNCEMENTS

 * Data Product Release: Spatial Statistical Data Fusion Version 2 Level 3
   Near-Surface Air Temperature
 * AIRS/Sounder Science Team Meeting on May 10-12, 2022
 * Call for Papers for "Twenty Years of Observations from the Atmospheric
   Infrared Sounder"
 * Data Release: Climate Hyperspectral Infrared Radiance Product (CHIRP) Level 1
   products

more ›


AIRS DATA & PRODUCTS

 * Get AIRS data
 * Climate Model Intercomparison Data
 * View select browse products

more ›


VIEW DATA


 * AIRS BROWSE TOOL
   
   Create and share layered maps from AIRS data


 * VOLCANIC PLUMES
   
   View AIRS detections of SO2 & dust from volcanic events.


 * VARIOUS DATA VIEWING TOOLS
   
   Several tools and options are available to view AIRS data


WEATHER, CLIMATE AND COMPOSITION SCIENCE

DATA FROM AIRS HAS ADVANCED OUR UNDERSTANDING OF EARTH'S ATMOSPHERE, MAKING
SIGNIFICANT CONTRIBUTIONS IN WEATHER, CLIMATE AND COMPOSITION SCIENCE.



MORE


MISSION & INSTRUMENT

The AIRS instrument has provided the most significant increase in forecast
improvement in this time range of any other single instrument Navy Vice-Admiral
(ret.) and former NOAA Administrator Conrad C. Lautenbacher

Launched into orbit on May 4, 2002 aboard NASA's Aqua satellite, the Atmospheric
Infrared Sounder, or AIRS, is enhancing our understanding of Earth's weather and
climate. AIRS is one of six instruments aboard NASA's Aqua satellite, which in
turn is part of a constellation of satellites that make up NASA's Earth
Observing System. AIRS along with its partner microwave instrument the Advanced
Microwave Sounding Unit (AMSU-A), represents the most advanced atmospheric
sounding system ever deployed in space. Together these instruments observe the
global water and energy cycles, climate variation and trends, and the response
of the climate system to increased greenhouse gases.

AIRS uses cutting edge infrared technology to create three-dimensional maps of
air and surface temperature, water vapor, and cloud properties. With 2378
spectral channels, AIRS has a spectral resolution more than 100 times greater
than previous infrared sounders and provides more accurate information on the
vertical profiles of atmospheric temperature and moisture. AIRS can also measure
trace greenhouse gases such as ozone, carbon monoxide, carbon dioxide, and
methane.



more about the mission › more about the instrument ›


NEWS & FEATURES

In January 2022, the Hunga Tonga-Hunga Ha’apai volcano erupted twice, sending
plumes of ash, steam, and gas more than 30 kilometers high and causing
unprecedented gravity, shock, and sound waves to move through the global
atmosphere. AIRS observations of atmospheric waves and volcanic plumes created
by the eruptions have led to the insights described below.

AIRS observations of the Tonga undersea volcano eruptions in January 2022
AIRS captures views of Hurricane Ida before and after landfall on August 29,
2021.

AIRS captures Hurricane Ida before and after landfall
AIRS captured the progression of this slow-moving heat dome across the region
from June 21 to 30, 2021.

NASA's AIRS Tracks Record-Breaking Heat Wave in Pacific Northwest
The visualizations and images in this story show several quantities AIRS has
observed over its 20 year lifetime. Most of these quantities have a common
trait: the effects over the past two decades of human activities are easily seen
in the AIRS observations.

20 Years of AIRS: A Story in Visualizations
The AIRS instrument on NASA’s Aqua Satellite has helped predict weather, and
monitor trace gases, drought, volcanoes, and hints of flu.

AIRS at 20 Years: A Bounty of Data
May marks the 20th anniversary of the launch of JPL’s Atmospheric Infrared
Sounder (AIRS) aboard NASA’s Aqua satellite, on May 4, 2002. A selection of
features, videos and animations highlight what AIRS has observed over the 20
years and the impact it has had.

What AIRS Has Observed Over 20 Years in Space
In January 2022, the Hunga Tonga-Hunga Ha’apai volcano erupted twice, sending
plumes of ash, steam, and gas more than 30 kilometers high and causing
unprecedented gravity, shock, and sound waves to move through the global
atmosphere. AIRS observations of atmospheric waves and volcanic plumes created
by the eruptions have led to the insights described below.

AIRS observations of the Tonga undersea volcano eruptions in January 2022
AIRS captures views of Hurricane Ida before and after landfall on August 29,
2021.

AIRS captures Hurricane Ida before and after landfall
AIRS captured the progression of this slow-moving heat dome across the region
from June 21 to 30, 2021.

NASA's AIRS Tracks Record-Breaking Heat Wave in Pacific Northwest
The visualizations and images in this story show several quantities AIRS has
observed over its 20 year lifetime. Most of these quantities have a common
trait: the effects over the past two decades of human activities are easily seen
in the AIRS observations.

20 Years of AIRS: A Story in Visualizations
The AIRS instrument on NASA’s Aqua Satellite has helped predict weather, and
monitor trace gases, drought, volcanoes, and hints of flu.

AIRS at 20 Years: A Bounty of Data
May marks the 20th anniversary of the launch of JPL’s Atmospheric Infrared
Sounder (AIRS) aboard NASA’s Aqua satellite, on May 4, 2002. A selection of
features, videos and animations highlight what AIRS has observed over the 20
years and the impact it has had.

What AIRS Has Observed Over 20 Years in Space
In January 2022, the Hunga Tonga-Hunga Ha’apai volcano erupted twice, sending
plumes of ash, steam, and gas more than 30 kilometers high and causing
unprecedented gravity, shock, and sound waves to move through the global
atmosphere. AIRS observations of atmospheric waves and volcanic plumes created
by the eruptions have led to the insights described below.

AIRS observations of the Tonga undersea volcano eruptions in January 2022
AIRS captures views of Hurricane Ida before and after landfall on August 29,
2021.

AIRS captures Hurricane Ida before and after landfall
AIRS captured the progression of this slow-moving heat dome across the region
from June 21 to 30, 2021.

NASA's AIRS Tracks Record-Breaking Heat Wave in Pacific Northwest
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STAY CONNECTED




HOME


SOUNDING SCIENCE

 *  * Weather
    * Climate
    * Composition
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    * Publications
    * Sounding Science at JPL


MISSION

 *  * Overview
    * Science Objectives
    * AIRS Project Instrument Suite
    * Instrument Operations
    * People


DATA

 *  * About the Data
    * About the Products
    * Get Data
    * User Guides & Documentation
    * Validation
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 *  * Health
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    * Wildfire
    * Weather


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