Aeronet AOD

Sun photometer measurements of the direct (collimated) solar radiation provide information to calculate the columnar aerosol optical depth (AOD). AOD can be used to compute columnar water vapor (Precipitable Water) and estimate the aerosol size using the Angstrom parameter relationship. Two data versions (Versions 1 and 2) and three quality levels (Levels 1.0, 1.5, 2.0) exist for each product. While Levels 1.0 and 1.5 are provided in near real-time, the 12-month or longer delay (due to final calibration and manual inspection) ensures that the highest quality data can be found in Version 2, Level 2.0 data products. Level 2: pre- and post-field calibration applied, automatically cloud cleared and manually inspected.

Data and Resources

This dataset has no data

Additional Info

Field Value
Maintainer Brent Holben
Last Updated July 17, 2025, 16:25 (UTC)
Created March 31, 2025, 21:34 (UTC)
accessLevel public
accrualPeriodicity irregular
bureauCode {026:00}
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harvest_object_id a0c643c9-e0b4-40a9-9c5e-73624f44d6aa
harvest_source_id 61638e72-b36c-4866-9d28-551a3062f158
harvest_source_title DNG Legacy Data
identifier NASA-0000001__1
issued 2018-06-25
landingPage http://aeronet.gsfc.nasa.gov/
modified 2020-01-29
programCode {026:001}
publisher National Aeronautics and Space Administration
resource-type Dataset
source_datajson_identifier true
source_hash 4bfd27c5f16c13a49ea0b7c8d364ae64bffc256b7fbd3f5b931034d7ea92eafa
source_schema_version 1.1
spatial Global
temporal 1993-01-01/2014-01-01
theme {"Earth Science"}