POLLUTION LOCATOR|Smog and Particulates | County Report

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

    SHELBY 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:
    PM-10 24-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 SHELBY County by criteria air pollutant emissions.
    Rank monitoring stations in SHELBY County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for SHELBY 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 6,343,246


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  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:47
    Percentage of days with moderate air quality:50
    Percentage of days with unhealthful air quality for sensitive populations:3
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 2003124
    Median AQI level in 200353
    90th Percentile AQI level in 200376
    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
    Carbon monoxide
        1-hour average 35 ppm5.1 ppm4.9 ppm 0 3
        8-hour average 9 ppm3.5 ppm3.4 ppm 0 3
    Lead
        Quarterly average 1.5 ug/m3.01 ug/m3.01 ug/m3 0 1
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.02 ppm0 ppm 0 1
    Ozone
        1-hour average 0.12 ppm.11 ppm.11 ppm 0 2
        8-hour average 0.08 ppm.09 ppm.09 ppm 7 2
    PM-25
        24-hour average 65 ug/m338 ug/m337 ug/m3 0 4
        Annual arithmetic mean 15 ug/m313.8 ug/m313.7 ug/m3 0 4
    PM-10
        24-hour average 150 ug/m362 ug/m351 ug/m3 0 2
        Annual arithmetic mean 50 ug/m327 ug/m322 ug/m3 0 2
    Sulfur dioxide
        3-hour average 0.50 ppm.1 ppm.09 ppm 0 3
        24-hour average 0.14 ppm.04 ppm.03 ppm 0 3
        Annual arithmetic mean 0.03 ppm.006 ppm.004 ppm 0 3
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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 Sources327,034120,8237,01515,6146,65435,807
    Area Sources26,96921,9524,29613,6476,25933,323
    Point Sources3,31631,51022035414,02911,784
    All sources357,319174,28511,53129,61526,94380,914
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  • Links

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