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    • NARSTO EPA_SS_HOUSTON Differential Mobility Analyzer Data

    Metadata Updated: September 19, 2025

    The NARSTO_EPA_SS_HOUSTON_DMA_DATA measurements consist of aerosol size distributions and number concentrations collected in Houston, Texas, beginning in August 2000 and ending in November 2001. Data were collected at two sites throughout this period (Aldine and HRM3), and a third instrument sampled at two sites (La Porte: Aug-Sep 2000; Deer Park: Sep 2000-Oct 2001). These measurements were collected as part of the EPA Supersite program. High-flow differential mobility analyzers (DMAs) were used to collect these data.The Houston Supersite is one of several Supersites that was established in urban areas within the United States by the U.S. Environmental Protection Agency (EPA) to better understand the measurement, sources, and health effects of suspended particulate matter (PM). The overall goals were to characterize the composition and identify the sources of particulate matter in Southeastern Texas, to develop and test new methods for characterizing fine particulate matter, and to collect data on the physical and chemical characterization of fine particulate matter that can be used to support exposure and health effects studies.NARSTO (formerly North American Research Strategy for Tropospheric Ozone) is a public/private partnership, whose membership spans government, the utilities, industry, and academe throughout Mexico, the United States, and Canada. The primary mission is to coordinate and enhance policy-relevant scientific research and assessment of tropospheric pollution behavior; activities provide input for science-based decision-making and determination of workable, efficient, and effective strategies for local and regional air-pollution management. Data products from local, regional, and international monitoring and research programs are available.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date April 9, 2025
    Metadata Updated Date September 19, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 9, 2025
    Metadata Updated Date September 19, 2025
    Publisher NASA/LARC/SD/ASDC
    Maintainer
    Identifier 10.5067/ASDCDAAC/NARSTO/0045
    Data Last Modified 2025-09-11
    Category Earth Science
    Public Access Level public
    Bureau Code 026:00
    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 854fd609-6b24-4195-83da-20178b7c1628
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://asdc.larc.nasa.gov/project/NARSTO
    Old Spatial "CARTESIAN",{"Boundary":{"Points":{"Latitude":29.5,"Longitude":-95.5},{"Latitude":29.5,"Longitude":-95},{"Latitude":30,"Longitude":-95},{"Latitude":30,"Longitude":-95.5},{"Latitude":29.5,"Longitude":-95.5}}}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash a3cf851ac1755a3957b2282e66129f9bd63842472d3f4a024e91b5d3e737bc21
    Source Schema Version 1.1
    Spatial
    Temporal 2000-08-18/2000-08-18

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