Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

Terrestrial Condition Assessment (TCA) Ozone Chronic Exposure (Map Service)

Metadata Updated: April 21, 2025

The average of W126 which is a weighted measure of chronic (lower level) ozone exposure within a landscape analysis unit. Updated through 2018. Data used are sourced from the EPA's Air Quality System Data Mart: https://aqs.epa.gov/aqsweb/airdata/download_files.html

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons Attribution

Downloads & Resources

Dates

Metadata Created Date November 3, 2022
Metadata Updated Date April 21, 2025

Metadata Source

Harvested from USDA JSON

Additional Metadata

Resource Type Dataset
Metadata Created Date November 3, 2022
Metadata Updated Date April 21, 2025
Publisher U.S. Forest Service
Maintainer
Identifier https://www.arcgis.com/home/item.html?id=f421e2de404248acb83ed5681227f987
Data First Published 2021-01-21
Data Last Modified 2022-08-29
Category geospatial
Public Access Level public
Bureau Code 005:96
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 4a6074ad-d070-4c8f-8025-10cf058753e4
Harvest Source Id d3fafa34-0cb9-48f1-ab1d-5b5fdc783806
Harvest Source Title USDA JSON
Homepage URL https://data-usfs.hub.arcgis.com/documents/usfs::terrestrial-condition-assessment-tca-ozone-chronic-exposure-map-service
License https://creativecommons.org/licenses/by/4.0/
Metadata Type geospatial
Old Spatial -131.3620,6.8980,-65.6380,72.6220
Program Code 005:059
Progresscode onGoing
Source Datajson Identifier True
Source Hash 3a10007a4d9eaa6b86f5010f2ccdda3bb79915b237d66fd0cd0d6d80fa7cfd19
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -131.3620, 6.8980, -131.3620, 72.6220, -65.6380, 72.6220, -65.6380, 6.8980, -131.3620, 6.8980}

Didn't find what you're looking for? Suggest a dataset here.