Satellite Data for Air Quality

With support from NASA, the Holloway Group at SAGE has developed a set of user-friendly dataset to support wider utilization of remote sensing data for air quality and health. This growing inventory of data includes daily and annual-average gridded data, as well as data in shapefile format for use in GIS platforms, including the EPA’s EJSCREEN platform. We also provide a number of python scripts for viewing and extracting data.

Shapefiles of NO2 Air Pollution
California
New York
Wisconsin
County Level

The links below can be directly added to EJ SCREEN under add maps—>search for maps–>add map services.
Wisconsin
California
New York
County Level

The units for all files are x10^15 molecules/cm2

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OMI NO2 (January 2006–May 2020)

This dataset contains daily gridded DOMINO NO2 data, zipped into monthly files. These data were generated from Level-2 satellite data (on swaths) and gridded to a 12 km x 12 km horizontal resolution over the continental United States using the Wisconsin Horizontal Interpolation Program for Satellites (WHIPS) for ease of comparison with photochemical grid model output.

Download Monthly Files

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TROPOMI NO2 (January 2019–)

This dataset includes daily gridded TROPOMI NO2 data, zipped into monthly files, as well as data in shapefile format. These data were generated from Level-2 satellite data (on swaths) and gridded to a 12 km x 12 km (daily and annual), 4 km x 4 km (daily and annual), and 1 km x 1 km (annual) horizontal resolution over the continental United States using the Wisconsin Horizontal Interpolation Program for Satellites (WHIPS) for ease of comparison with photochemical grid model output.

Download Annual Files

Download Monthly Files

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2022

2021

2020

2019