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, …

Sep 30, 2025 · Humidity is a measure of water vapor in the atmosphere. There are measures of absolute humidity, which is the grams of water vapor present per cubic meter of air. Specific …

NASA's Level-1 and Atmosphere Archive and Distribution System Distributed Active Archive Center primarily provides access to global science data products from MODIS and VIIRS.

NASA collects data on the Sun and its energy to understand how our closest star impacts Earth's energy fields, atmosphere, weather, and human activity.

Nov 21, 2025 · NASA’s Earth-observing satellites help scientists identify atmospheric rivers, which enables studies of climate change, water management, and weather.

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 …

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 …

Sep 30, 2025 · NASA's air quality data allow users to measure pollutants in the atmosphere and track their health and socioeconomic impact on people.

NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE) supports users interested in monitoring a wide variety of natural and human-created phenomena using …

Nov 21, 2025 · NASA's Earth satellites collect data about sulfur dioxide and other atmospheric trace gases to study their impact on health, air quality, and weather.