OMTO3G: Daily Global Gridded Ozone and Atmospheric Data from OMI/Aura

Global 0.25x0.25 degree gridded data provides daily measurements of total column ozone and related atmospheric parameters. The dataset is derived from the OMI/Aura satellite using an enhanced TOMS algorithm on ultraviolet radiance data at 317.5 and 331.2 nm. It contains pixel-level data binned into daily global grids without averaging, allowing for custom filtering and regridding.

Use Cases

• Monitoring global ozone layer trends based on daily total column ozone measurements.
• Analyzing cloud-aerosol interactions using concurrent cloud fraction and cloud pressure data.
• Studying surface reflectance and UV aerosol index for atmospheric correction models.
• Creating custom filtered or aggregated gridded products from the unbinned pixel data.

Strengths

• Provides high spatial resolution global data at a 0.25x0.25 degree grid.
• Contains multiple atmospheric parameters beyond ozone, including cloud data, terrain height, and viewing angles.
• Data is stored without averaging, preserving pixel-level information for custom analysis.

Limitations

• Column names and a complete data dictionary are not provided in the available metadata.
• The exact temporal coverage and total row count are unspecified.
• License is listed as 'other-license-specified' without explicit details.

Provenance

Source

GES_DISC (NASA)

Collection Method

Satellite remote sensing from the OMI/Aura instrument, processed with the enhanced TOMS version-8 algorithm.

Time Range

Daily coverage (specific start and end dates not provided).

Freshness

2026-04-09 23:17:20.428240

Geography

Global