POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: HUMPHREYS County, TN
 
 
  • Map Locating the Pollution Sources

    HUMPHREYS 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:
    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 TENNESSEE by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in HUMPHREYS County by criteria air pollutant emissions.
    Rank monitoring stations in HUMPHREYS County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for HUMPHREYS County

    View Summary Environmental Justice Report (en español).

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  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:92
    Percentage of days with moderate air quality:7
    Percentage of days with unhealthful air quality for sensitive populations:0
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 2003101
    Median AQI level in 200333
    90th Percentile AQI level in 200348
    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
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.004 ppm0 ppm 0 1
    Ozone
        1-hour average 0.12 ppm.09 ppm.09 ppm 0 1
        8-hour average 0.08 ppm.08 ppm.08 ppm 1 1
    Sulfur dioxide
        3-hour average 0.50 ppm.09 ppm.06 ppm 0 1
        24-hour average 0.14 ppm.02 ppm.01 ppm 0 1
        Annual arithmetic mean 0.03 ppm.003 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 Sources6,3402,082168510662716
    Area Sources2,2508738684852914
    Point Sources49,92021,7115,9596,430160,898979
    All sources58,51023,8806,5137,789161,6122,609
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  • Links

    Scorecard's report on
    Tennessee State Implementation Plan
    Tennessee Department of Environment and Conservation
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