Data API

Ozone Nonattainment Area

Environment
Data Steward
DVRPC GIS
Update Frequency
as needed
Metadata Last Modified
August 28, 2025
Dataset Type
Geospatial
Source
United States Environmental Protection Agency (EPA)
Organization Type
Federal Government
Use Limitations
Unrestricted: can be shared internally and externally without data sharing agreement
License
No License Provided

The DVRPC region falls entirely within the Philadelphia-Wilmington-Atlantic City, NJ 8-hour Ozone Nonattainment Area. The U.S. Environmental Protection Agency (EPA) set national air quality standards (NAAQS) for ground-level ozone, with a design value level of 0.070 parts per million - at time of publication, this area does not meet that standard.

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objectid
descriptio

Data Dictionary

Column Type Label Description
objectid OID objectid Internal feature number.
shape Geometry Shape Feature geometry.
descriptio String DESCRIPTIO
st_area(shape) Double st_area(shape)
st_perimeter(shape) Double st_perimeter(shape)