Skip to main content
U.S. flag

An official website of the United States government

Found 304 datasets matching filters. (clear all filters)

  • #1 City

    Dataset contains information on New York City air quality surveillance data. Air pollution is one of the most important environmental threats to urban populations and while all people are...

    Search relevance: 1.00 | Views last month: 306 | Catalog Last Checked: August 01, 2026 at 03:34 AM
  • #2 City

    This dataset contains quality assured and DOEE-certified air quality data collected from the District’s five air monitoring network sites. The dataset covers a three-year period and includes...

    Search relevance: 1.00 | Views last month: 56 | Catalog Last Checked: August 03, 2026 at 02:37 AM
  • #3 Federal

    A REST web service API allowing the retrieval of real time air quality index data from AirNow.

    Search relevance: 1.00 | Views last month: 56 | Catalog Last Checked: August 01, 2026 at 03:29 AM
  • #4 Federal

    The Air Quality System (AQS) database contains measurements of air pollutant concentrations from throughout the United States and its territories. The measurements include both criteria air...

    Search relevance: 1.00 | Views last month: 53 | Catalog Last Checked: August 01, 2026 at 03:29 AM
  • #5 City

    Part of What Works Cities Certification is reporting our city's annual average concentration of PM2.5 (fine particular matter) does not exceed 10 milligrams per cubic meter.The information is...

    Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: March 21, 2026 at 08:51 PM
  • #6 City

    Citywide raster files of annual average predicted surface for nitrogen dioxide (NO2), fine particulate matter (PM2.5), black carbon (BC), and nitric oxide (NO); summer average for ozone (O3) and...

    Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: August 01, 2026 at 03:37 AM
  • #7 Federal

    The National Transportation Library (NTL) provides national and international access to transportation information, coordinates information creation and dissemination, and provides reference...

    Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: August 02, 2026 at 11:27 PM
  • #8 Federal

    The Environmental Quality Index (EQI) accounts for the multiple domains of the environment with which humans interact. These domains include chemical, natural, built, and sociodemographic...

    Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: August 03, 2026 at 12:52 AM
  • #9 Federal

    This dataset contains modeled temperature, ozone, and PM2.5 data for the United States over the 21st century, using two global climate model scenarios and two emissions datasets. This dataset is...

    Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: August 03, 2026 at 12:46 AM
  • #10 Federal

    The data for Zhang et al. 2025 are publicly available online in the supplementary information associated with the article. See link provided. This dataset is associated with the following...

    Search relevance: 1.00 | Views last month: 21 | Catalog Last Checked: August 03, 2026 at 12:52 AM
  • #11 Federal

    This dataset contains modeled temperature, ozone, and PM2.5 data for the United States over the 21st century, using two global climate model scenarios and two emissions datasets.

    Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: August 03, 2026 at 12:47 AM
  • #12 City

    Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5 and NO2. Six sensors also...

    Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: August 04, 2026 at 10:59 PM
  • #13 City

    Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5 and NO2. Six sensors also...

    Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: August 04, 2026 at 10:58 PM
  • #14 Federal

    The CASTNET Download Data module allows users to select, view, and download CASTNET data (Raw, Aggregate, Modeled & Factual Data) based on user selections. CASTNET sites are located in or near...

    Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: August 01, 2026 at 03:29 AM
  • #15 Federal

    AP-42: Compilation of Air Pollutant Emissions Factors from stationary sources is EPA's primary compilation of emission factors for stationary sources. AP-42 contains emission factors, emission...

    Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: August 01, 2026 at 03:29 AM
  • #16 Federal

    This asset provides data on regional air quality, including trace level SO2, nitric acid, ozone, carbon monoxide, and NOy; and particulate sulfate, nitrate, and ammonium from 1989 to present....

    Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: August 01, 2026 at 03:29 AM
  • #17 State

    The links on this page provide access to the Washington State Department of Ecology's Air Monitoring Network, which tracks various air pollutants at more than six dozen sites statewide. Visitors...

    Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: August 02, 2026 at 05:24 PM
  • #18 State

    This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant OZONE. A criteria...

    Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 02, 2026 at 05:30 PM
  • #19 Federal

    Population based cancer incidence rates were abstracted from National Cancer Institute, State Cancer Profiles for all available counties in the United States for which data were available. This is...

    Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 03, 2026 at 12:43 AM
  • #20 City

    Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5 and NO2. Six sensors also...

    Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 04, 2026 at 10:59 PM

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov