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

    Maryland Ozone Exceedance Days 2016-2021

    Metadata Updated: July 12, 2025

    Maryland 8-Hour Ozone Concentrations Exceeding 2015 Health-Based Standard in ppb, Finalized Data. In 2015 EPA set the ozone standard to 70 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 between 2016 and 2021 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 April 28, 2022
    Metadata Updated Date July 12, 2025

    Metadata Source

    Harvested from md json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 28, 2022
    Metadata Updated Date July 12, 2025
    Publisher opendata.maryland.gov
    Maintainer
    Identifier https://opendata.maryland.gov/api/views/dcmf-iu5m
    Data First Published 2022-03-28
    Data Last Modified 2022-03-28
    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 c2b5764e-bd85-42ed-b685-3de115028671
    Harvest Source Id ee165ef5-7b35-41a7-b3a5-5479c71b0e58
    Harvest Source Title md json
    Homepage URL https://opendata.maryland.gov/d/dcmf-iu5m
    Source Datajson Identifier True
    Source Hash aa44474ce067d7d4190ab8ae676d7cf0f4b92c133e1d653ff1a41bf8cf86aa7a
    Source Schema Version 1.1

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