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County
Allegheny County Air Quality
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Air quality data is collected from the Allegheny County Health Department monitors throughout the county. This data must be verified by qualified individuals before... -
State
Solar Footprints in California
State of California —
Solar Footprints in CaliforniaThis GIS dataset consists of polygons that represent the footprints of solar powered electric generation facilities and related... -
Roadway Weather Information Systems Sensors
District of Columbia —
This dataset shows weather data from DDOT Roadway Weather Information Systems (RWIS) road sensors within the district. RWIS are technology tolls that monitor weather... -
Federal
BLM Natl WesternUS GRSG Biologically Significant Units October 2017 Update
Department of the Interior —
The Sheeprocks (UT) was revised to resync with the UT habitat change as reflected in the Oct 2017 habitat data, creating the most up-to-date version of this dataset.... -
Federal
Knutson-Vandenberg (Feature Layer)
Department of Agriculture —
Note: This is a large dataset. To download, go to ArcGIS Open Data Set and click the download button, and under additional resources select the shapefile or... -
City
Traffic Counts
City of Sioux Falls —
Feature layer containing authoritative traffic count points for Sioux Falls, South Dakota.The traffic counts listed are 24-hour, weekday, two-directional counts.... -
State
Offshore Oil Leases
State of California —
California State Lands Commission Offshore Oil Leases in the vicinity of Santa Barbara, Ventura, and Orange County.The polygons in this layer show the position of... -
Federal
BLM AZ Baaj Nwaavjo Itah Kukveni - Ancestral Footprints of the Grand Canyon National Monument (Polygon)
Department of the Interior —
This feature-dataset depicts the boundaries of the Baaj Nwaavjo I’tah Kukveni – Ancestral Footprints of the Grand Canyon National Monument in Arizona. Baaj nwaavjo... -
State
Quarterly Fishery Surveys - Salton Sea [ds428]
State of California —
In the spring of 2003, California Department of Fish and Game (CDFG) personnel began quarterly sampling of Salton Sea fish at fourteen stations around the sea, as the... -
City
Highway Districts
City of Philadelphia —
Please note that the dataset below is a snapshot of data captured at one time and does not receive regular updates. The Highway Districts dataset shows the boundaries... -
City
Traffic Count Segment
City of Sioux Falls —
Feature layer containing authoritative traffic count segments for Sioux Falls, South Dakota. The traffic counts listed are 24-hour, weekday, two-directional counts.... -
Federal
BLM ID Range Improvements Poly
Department of the Interior —
This geodatabase of point, line and polygon features is an effort to consolidate all of the range improvement locations on BLM-managed land in Idaho into one... -
State
Vegetation - Napa County Update 2016 [ds2899]
State of California —
The earlier map used black and white digital orthophoto quadrangles from 1993, with a pixel resolution of 3 meters. This image was delineated using a heads up... -
Federal
BLM ID Range Improvement Line
Department of the Interior —
This geodatabase of point, line and polygon features is an effort to consolidate all of the range improvement locations on BLM-managed land in Idaho into one... -
State
California City Boundaries and Identifiers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
City
Louisville Metro KY - Lien Holder Final Orders
Louisville Metro Government —
Summary:The Lien Holder Notification System allows lien holders and others to register to receive weekly email notification about all final orders issued since the... -
State
California Overlapping Cities and Counties and Identifiers with Coastal Buffers
State of California —
WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the end of 2024....