Green Book GIS Download
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The compressed area shapefiles listed below were used to generate the maps on this website. They contain the boundary shapes for all of the areas that were designated nonattainment for a standard revision. The external data files contain the current area status information, indicating the reclassification and whether an area is nonattainment or has been redesignated to maintenance at the time of the Green Book posting. The external data files can be linked to the shapefiles through the composID field in each file.
See: Additional information about these files
Links to Downloadable Files
Table 1: Shapefiles Developed as Part of the Nonattainment Area Designation Process
| NAAQS | Last Shapefile Update 1 | Shapefile Containing All Designated Nonattainment Areas | External Data Files with Area Status as of Green Book posting 2 | |
|---|---|---|---|---|
| 8-Hour Ozone (2015 Standard) | 02/01/2022 | 2015 Ozone.shp (file size ~12.3 MB) |
2015 Ozone Download | |
| 8-Hour Ozone (2008 Standard) | 06/13/2012 | 2008 Ozone.shp (file size ~8.8 MB) |
2008 Ozone Download | |
| 8-Hour Ozone (1997 Standard-revoked 4/6/2015) | 09/08/2015 | 1997 Ozone.shp (file size ~4.6 MB) |
1997 Ozone Download | |
| PM-2.5 (2012 Standard) | 03/21/2016 | 2012 PM-2.5.shp (file size ~200 KB) |
2012 PM-2.5 Download | |
| PM-2.5 (2006 Standard) | 09/15/2011 | 2006 PM-2.5.shp (file size ~570 KB) |
2006 PM-2.5 Download | |
| PM-2.5 (1997 Standard) | 08/23/2011 | 1997 PM-2.5.shp (file size ~380 KB) |
1997 PM-2.5 Download | |
| Sulfur Dioxide (2010 Standard) | 06/30/2021 | 2010 SO2.shp (file size ~970 KB) |
2010 SO2 Download | |
| Lead (2008 Standard) | 02/07/2017 | 2008 Lead.shp (file size ~130 KB) |
2008 Lead Download | |
1 Updates are made to the posted Shapefiles to add or adjust area boundaries or make corrections. The "Last Shapefile Update" date indicates when a shapefile was last modified.
2 External Data Files contain the nonattainment/maintenance status and classification at the time of the Green Book posting. External Data Files can be linked to the shapefiles through the composID field in each file and are provided in spreadsheet (xls) and xbase (dbf) formats compressed into one file. Multi-state nonattainment areas are not considered maintenance areas until all states in the area have been redesignated.
Table 2: Shapefiles Developed from Part 81 Table Descriptions
| NAAQS | Last Shapefile Update 1 | Shapefile Containing All Designated Nonattainment Areas | External Data Files with Area Status as of Green Book posting 2 | |
|---|---|---|---|---|
| 1-Hour Ozone (1979 Standard-revoked 6/15/2005) Classified areas only |
12/05/2013 | 1979 Ozone.shp (file size ~11 MB) |
1979 Ozone Download | |
| PM-10 (1987 Standard) | 12/05/2013 | 1987 PM-10.shp (file size ~1.1 MB) |
1987 PM-10 Download | |
| Sulfur Dioxide (1971 Standard) | 12/05/2013 | 1971 SO2.shp (file size ~320 KB) |
1971 SO2 Download | |
| Lead (1978 Standard) | 12/04/2013 | 1978 Lead.shp (file size ~30 KB) |
1978 Lead Download | |
| Carbon Monoxide (1971 Standard) | 12/04/2013 | 1971 CO2.shp (file size ~1.3 MB) |
1971 CO2 Download | |
| Nitrogen Dioxide (1971 Standard) | 12/04/2013 | 1971 NO2.shp (file size ~70 KB) |
1971 NO2 Download | |
1 Updates are made to the posted Shapefiles to add or adjust area boundaries. The "Last Shapefile Update" date indicates when a shapefile was last modified.
2 External Data Files contain the nonattainment/maintenance status and classification at the time of the Green Book posting. External Data Files can be linked to the shapefiles through the composID field in each file and are provided in spreadsheet (xls) and xbase (dbf) formats compressed into one file. Multi-state nonattainment areas are not considered maintenance areas until all states in the area have been redesignated.
Disclaimer
Nonattainment shapefile/map services are intended for mapping and visualization purposes only. EPA makes no claim that these shapefiles/map services represent the exact legal definitions of nonattainment areas. The legal definitions of nonattainment areas are available at 40 CFR part 81.
Although these data have been processed successfully on a computer system at the Environmental Protection Agency, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions or intended use. The U.S. Environmental Protection Agency shall not be held liable for improper or incorrect use of the data described and/or contained herein.