Earthdata is the home for full and open access to NASA's Earth science data collections, accelerating scientific advancement for societal benefit.

Nov 21, 2025 · Temperature can vary greatly at different levels of Earth's atmosphere. Measuring atmospheric temperatures is essential for many forms of scientific work including weather forecasting …

Launched in 2002, the Atmospheric Infrared Sounder (AIRS) instrument aboard NASA’s Aqua satellite provides 3D measurements of temperature, water vapor, trace gases, and surface and cloud …

Nov 21, 2025 · Near real-time data provided by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE) can be used by air quality forecasters to improve some local and national …

2 days ago · NASA's Earth satellites collect data about sulfur dioxide and other atmospheric trace gases to study their impact on health, air quality, and weather.

Sep 17, 2025 · Earth's atmosphere is a layer of mixed gases approximately 60 miles high that provides the air we breathe, shields us from dangerous levels of ultraviolet light from the sun, and traps …

NASA's Goddard Earth Sciences Data and Information Services Center provides access to a wide range of global climate data, concentrated primarily in the areas of atmospheric composition, atmospheric …

NASA's earthaccess is a python library that enables authentication, search, and access for NASA Earth science data with just a few lines of code.

NASA's Orbiting Carbon Observatory-2 (OCO-2) was a replacement mission for the original OCO platform, which failed during launch. Launched on July 2, 2014, OCO-2 acquires space-based global …

Nov 21, 2025 · Aerosol optical depth (AOD) is an assessment of the amount of visible and infrared light aerosols scatter or absorb in a column of the atmosphere, and is sometimes referred to as aerosol …