ESDIS Weekly Metrics: August 31, 2026

Note: The volume distributed to end users per day, as a running average over the past four weeks, is 9.779 times the volume added to the archive per day.

Notes:

In previous reports, we did not include NRT products in the cloud and on-prem. The products were from NRT providers. Products now included contain NRT in the product or provider name, project type containing "LANCE," or collection data type containing "expedited" or "near_real_time."

Higher product latencies for:

VIIRS-NOAA-20-Atmosphere from August 9-29, 2026, were due to an error in the metadata.
MODIS-AQUA on August 24, 2026, were due to a delay in receiving data.

Note that higher product latencies for:

MLS-AURA on August 24 and 28, 2026, were due to a delay in receiving data.
OMPS-SNPP on August 24, 2026, is under investigation.
TROPOMI-SENTINEL-5P on August 24, 2026, were due to failures.

Notes:

Latency for a data granule is defined as the time taken from the midpoint between the start and end of acquisition of the data to the granule being ready on-line for users to download.
Duration covered by the data for a granule is defined differently for four different instruments (e.g., MODIS granules are 5 minutes long, while OMI NRT granules are 13 to 136 minutes long).
Over the past four weeks, more than 95% of near-real time (NRT) data requests for nearly all instruments were satisfied within 3 hours. The exceptions were OMPS-NOAA-21, TROPOMI-SENTINEL-5P, VIIRS-NOAA-20-Land, and VIIRS-SNPP-Land, which had rates of 62%, 91%, 90%, and 77%, respectively, of NRT data requests being satisfied within 3 hours.

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