POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: CLARK County, OH
 
 
  • Map Locating the Pollution Sources

    CLARK County
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  • Air Quality Rankings: Health Risks, Exposure, and Emissions
    Cleanest/Best Counties in US Percentile Dirtiest/Worst Counties in US
    0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

    Carbon Monoxide emissions:
    Nitrogen Oxides emissions:
    PM-2.5 emissions:
    PM-10 emissions:
    Sulfur Dioxide emissions:
    Volatile Organic Compound emissions:
    Air Quality Index:
    Ozone 1-hour average concentration:
    Ozone 8-hour average concentration:
    PM-2.5 24-hour average concentration:
    Person-days in exceedance of national air quality standard for ozone (1-hour):
    Person-days in exceedance of national air quality standard for ozone (8-hour):
    See how this county ranks on other criteria air pollution attributes tracked by Scorecard

    Rank counties in OHIO by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in CLARK County by criteria air pollutant emissions.
    Rank monitoring stations in CLARK County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for CLARK County

    View Summary Environmental Justice Report (en español).

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  • Health Risks
  • Population Exposed to Unhealthy Levels of Criteria Air Pollutants:

    Pollutant Person-days
    in exceedance
    of NAAQS
    Ozone
        8-hour average 860,106
        1-hour average 286,702


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  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:82
    Percentage of days with moderate air quality:17
    Percentage of days with unhealthful air quality for sensitive populations:1
    Percentage of days with unhealthful air quality:1
    Maximum AQI level in 2003190
    Median AQI level in 200334
    90th Percentile AQI level in 200361
    Air Quality Index
    0 - 50 Good
    50 - 100 Moderate
    100 - 200 Unhealthful
    200 - 300 Very Unhealthful
    300 - 500 Hazardous
    2003 Summary of Pollutant Concentrations:
    Pollutant NAAQS
    Standard
    Highest
    Recorded
    Concentration
    Second
    Highest
    Recorded
    Concentration
    Number
    of NAAQS
    Exceedances
    Stations
    Monitoring
    Pollutant
    Ozone
        1-hour average 0.12 ppm.14 ppm.12 ppm 2 2
        8-hour average 0.08 ppm.12 ppm.11 ppm 6 2
    PM-25
        24-hour average 65 ug/m341 ug/m334 ug/m3 0 1
        Annual arithmetic mean 15 ug/m314.1 ug/m30 ug/m3 0 1
    Sulfur dioxide
        3-hour average 0.50 ppm.04 ppm.03 ppm 0 1
        24-hour average 0.14 ppm.02 ppm.02 ppm 0 1
        Annual arithmetic mean 0.03 ppm.004 ppm0 ppm 0 1
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  • 1999 Emissions Summary of Criteria Air Pollutants
  • (Expressed in tons of pollutant emitted)
      Carbon
    monoxide
    Nitrogen
    oxides
    PM-2.5 PM-10 Sulfur
    dioxide
    Volatile
    organic
    compounds
    Mobile Sources42,7037,7821,0274,0544724,028
    Area Sources1,360431,0954,3322444,073
    Point Sources141516922140744
    All sources44,0767,8402,2918,6077568,844
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  • Links

    Scorecard's report on
    Ohio State Implementation Plan
    Ohio Environmental Protection Agency
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