Data and Tools
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State/Territory-Designated Top-Priority National Priorities List (NPL) Sites
Section 300.425(c) of the National Contingency Plan allows States or Territories to designate its top-priority site without the need to apply the Hazard Ranking System. Learn about States and Territories that have designated their one top-priority site.
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Niagara River AOC Boundary Map
This page presents various maps of the Niagara River AOC.
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State/Tribal Correspondence Concerning NPL Site Listing
Access state/tribal correspondence information about Superfund sites that were considered or listed to the NPL since September 18, 2012. This information is used to determine the position of states/tribes on the matter of a site's listing to the NPL.
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Land Revitalization Toolkit
This page provides a list of land revitalization tools for communities.
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Lead at Superfund Sites: United States Geological Survey (USGS) Background Soil-Lead Survey
Learn about the USGS background soil-lead survey. Use the interactive map to learn about lead levels in your state.
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AirData - Daily Air Quality Tracker (PDF Report)
This tool plots recent daily AQI values relative to the long-term high/low and recent 5-year average for a specific location and time period.
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AirData - Ozone Exceedances
This tool compares 8-hour ozone exceedances between two years or multi-year periods for a city or county.
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AirData - Concentration Map
Make a map of daily concentrations over several days. The daily air quality can be displayed in terms of the Air Quality Index or in concentration ranges for certain PM species like organic carbon, nitrates, and sulfates.
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AirData - Concentration Plot
This tool makes a time series plot for a specific location and time period. This tool displays daily air quality summary statistics for the criteria pollutants by monitor.
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AirData - Tile Plot
This tool plots daily AQI values for a specific location and time period. Each square or “tile” represents one day of the year and is color-coded based on the AQI level for that day. The legend tallies the number of days in each AQI category.
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AirData - Multiyear Tile Plot
This tool makes a time series plot for a specific location and time period. This tool displays daily air quality summary statistics for the criteria pollutants by monitor.
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Air Data - Daily Air Quality Tracker
This tool plots daily AQI values relative to the most recent 5-year average and the high/low since 2000 for a specific location and time period.
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Air Quality Index Daily Values Report
This report provides daily Air Quality Index values for the specified year and location. Read more about what's in this report
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Download Daily Data
This tool queries daily air quality summary statistics for the criteria pollutants by monitor. You can get data for specific monitors or all monitors in a city, county, or state.
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AirData - AQI Plot
This tool compares AQI values for multiple pollutants for a specific location and time period. This tool displays an entire year of AQI values - two pollutants at a time.
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Multiyear Tile Plot - for Exceptional Events Analysis
This tool makes a time series plot for a specific location and time period. This tool displays daily air quality summary statistics for the criteria pollutants by monitor.
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Concentration Map - for Exceptional Events Analysis
Make a map of daily concentrations over several days. The daily air quality can be displayed in terms of the Air Quality Index or in concentration ranges for certain PM species like organic carbon, nitrates, and sulfates.
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Single-year Tile Plot - for Exceptional Events Analysis
This tool plots daily AQI values for a specific location and time period. Each square or “tile” represents one day of the year and is color-coded based on the AQI level for that day. The legend tallies the number of days in each AQI category.
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Sector-based PM2.5 and Ozone Benefit Per Ton Estimates
This page has benefit per-ton estimates that relate changes in emissions in PM2.5 precursor emissions from 17 industrial, area and mobile sectors and monetized benefits.
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What is the Enhancing State and Tribal Programs Initiative?
Information about state and tribal wetlands programs.