Federal Land Manager Environmental Database FED
  • AQRV Summaries
    Site Browser
    Visibility Ozone Wet Deposition Dry Deposition
    Express Tools
    Visibility Ozone Wet Deposition Dry Deposition
  • Data Exploration
    • Annual Summary
    • Haze Trends
    • Haze Analysis
    • Generalized Data Exploration
    • Dataset Comparison
    • IMPROVE Data Q/A
    • Ozone: High4 5-Year Average Explorer
    • Ozone: W126 5-Year Average Explorer
  • Data Access
    Data
    Database Query Wizard IMPROVE Data Pre-Generated Data Files U.S.F.S. Water Quality Data
    Metadata
    Dataset Explorer Monitoring Site Browser Dataset Catalog Dataset Update Log General Metadata
  • Resources
    • Live Visibiliy Webcams
    • Visibility Photographs
    • Federal Lands List
    • Browser Diagnostics
  • Help
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Grand Canyon National Park
Grand Canyon National Park
Canyonlands National Park
Canyonlands National Park
Mount Rainier National Park
Mount Rainier National Park
Great Smoky Mountains National Park
Great Smoky Mountains National Park
Glacier National Park
Glacier National Park
Shenandoah National Park
Shenandoah National Park
Yosemite National Park
Yosemite National Park
Yellowstone National Park
Yellowstone National Park
Carlsbad Caverns National Park
Carlsbad Caverns National Park
Badlands National Park
Badlands National Park
Everglades National Park
Everglades National Park
Arches National Park
Arches National Park
Guadalupe Mountains National Park
Guadalupe Mountains National Park
Sawtooth National Forest
Sawtooth National Forest
Death Valley National Park
Death Valley National Park
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  • Data
  • Metadata
  • Visualization

Visibility Tools

A set of charting tools for analyzing haze trends and composition from the IMPROVE aerosol network

Query Wizard

An advanced query and selection tool for filtering and downloading raw data from the database

AQRV Tools

A set of charting tools for analyzing haze, ozone, and deposition impacts in Federal Class 1 Areas

IMPROVE Data

A collection of tools for accessing raw data and metadata from all IMPROVE-based datasets

USFS Water Data

Tools for exploring water chemistry data collected and managed by the U.S. Forest Service

Site Browser

A map-based tool for exploring the location, data, and metadata of air quality monitoring sites

Ozone Tools

Charts and graphs that summarize ozone trends as measured by the EPA ozone network

Wet Dep Tools

A set of charting tools for exploring wet deposition data from the NADP National Trends Network (NTN)

Dry Dep Tools

A set of charting tools for exploring dry deposition from the Clean Air Status and Trends Network

Annual Summary

Interactive charts and data of annual metrics for criteria, toxic, hazardous, and other pollutants.

Haze Analysis

Charting tools for visualizing visibility trends and composition data from the IMPROVE network

Photos and Webcams

Photographs and webcams that show a range of historical and current visibility conditions

Dataset Index

An interactive tool for exploring the entire catalog of datasets currently stored in the FED database

Dataset Explorer

An interactive tool for exploring the metadata details of each dataset managed by the FED database

General Metadata

Express tools for viewing metadata about datasets, networks, sites, parameters, etc.

Federal Lands List

An interactive, sortable list of public lands that are owned and managed by the Federal government

Glossary

An alphabetized collection of air quality codes, terms, and acronyms found on this website

IMPROVE Q/A

A set of express charting tools for exploring and analyzing raw aerosol data from the IMPROVE network

AQRV Summaries Annual Summary Dataset Index and Search Dataset Explorer Database Query Wizard Monitoring Site Browser Live Visibility Webcams Index of Tools and Products Air Quality Glossary
Updates

05/13/25The November 2024 EPA Chemical Speciation Network (CSN) data from AQS were imported into the database.

05/09/25The validated August 2024 IMPROVE Aerosol data from UCD were imported into the database.

05/05/25The Aug 2024 - March 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

04/10/25The validated July 2024 IMPROVE Aerosol data from UCD were imported into the database.

04/10/25The Aug 2024 - February 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

02/26/25The validated May-Jun 2024 IMPROVE Aerosol data from UCD were imported into the database.

02/10/25The August 2024 EPA Chemical Speciation Network (CSN) data from AQS were imported into the database.

02/10/25The May 2024 - December 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

01/06/25The April 2024 - November 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

12/18/25The March 2024 - October 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

12/18/24The March 2024 IMPROVE Aerosol data from UCD were imported into the database.

11/06/24The May 2024 EPA Chemical Speciation Network (CSN) data from AQS were imported into the database.

11/05/24The March 2024 - September 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

10/28/24The February 2024 IMPROVE Aerosol data from UCD were imported into the database.

10/28/24The February 2024 - August 2024 IMPROVE Aerosol Preliminary (unvalidated) data from UCD were imported into the FED database.

09/25/24The January 2024 IMPROVE Aerosol data from UCD were imported into the database.

09/19/24The NADP National Trends Network (NTN) Total Wet Deposition (kg/ha) dataset was updated for 2023-2024.

09/19/24The NADP National Trends Network (NTN) Annual Precipitation-Weighted Means (µeq/L) dataset was updated for 2023-2024.

09/19/24The NADP National Trends Network (NTN) Annual Precipitation-Weighted Means (mg/L) dataset was updated for 2023-2024.

09/19/24The NADP Mercury Deposition Network dataset was updated for 2023-2024.

09/19/24The NADP Ammonia Monitoring Network dataset was updated for 2023-2024.

09/19/24The NADP National Trends Network - Weekly dataset was updated for 2023-2024.

09/18/24The EPA Sulfur Dioxide - Hourly dataset from AQS was updated for 2023-2024.

09/17/24The EPA PM2.5 Mass FRM - Hourly dataset from AQS was updated for 2023-2024.

09/17/24The EPA PM2.5 Mass FRM - Daily dataset from AQS was updated for 2023-2024.

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FED FED

FED provides access to an extensive database of environmental data and an integrated suite of online tools and resources to help analyze air quality in Federally-protected lands such as National Parks, National Forests, and Wilderness Areas.

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  • Location: Fort Collins, CO
  • Host: CIRA/CSU
  • Phone: 970-491-8455
  • Email: shawn.mcclure@colostate.com
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