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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Maryland Ozone Exceedance Days in 2011

    Metadata Updated: November 29, 2025

    Maryland 8-Hour Ozone Concentrations Exceeding 2008 Health-Based Standard in ppb, Finalized Data. In 2008 EPA set the ozone standard to 75 ppb. High levels of ozone can cause health effects including increased asthma attacks and other respiratory effects. You can get more information about the health effects at http://www.epa.gov/air/ozonepollution/. This data set details which monitoring locations in Maryland exceeded the standard during the year and the maximum concentrations on the dates the standard was exceeded. More information on Maryland's air quality monitoring is available at http://www.mde.state.md.us/programs/Air/AirQualityMonitoring/Pages/index.aspx.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date November 10, 2020
    Metadata Updated Date November 29, 2025

    Metadata Source

    Harvested from md json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 10, 2020
    Metadata Updated Date November 29, 2025
    Publisher opendata.maryland.gov
    Maintainer
    Identifier https://opendata.maryland.gov/api/views/iusd-kqc6
    Data First Published 2014-09-30
    Data Last Modified 2025-11-24
    Category Energy and Environment
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://opendata.maryland.gov/data.json
    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 57da7390-4350-4b2d-ab91-4ea042e7ee97
    Harvest Source Id ee165ef5-7b35-41a7-b3a5-5479c71b0e58
    Harvest Source Title md json
    Homepage URL https://opendata.maryland.gov/d/iusd-kqc6
    Source Datajson Identifier True
    Source Hash ce94f588a38eacc6aab1c3cce3a4e3b3c43b79643aae1f3d47774da8554613e8
    Source Schema Version 1.1

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