POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: CHARLESTON County, SC
 
 
  • Map Locating the Pollution Sources

    CHARLESTON 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:
    See how this county ranks on other criteria air pollution attributes tracked by Scorecard

    Rank counties in SOUTH CAROLINA by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in CHARLESTON County by criteria air pollutant emissions.
    Rank monitoring stations in CHARLESTON County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for CHARLESTON County

    View Summary Environmental Justice Report (en español).

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  • Health Risks


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  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:70
    Percentage of days with moderate air quality:30
    Percentage of days with unhealthful air quality for sensitive populations:0
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 200395
    Median AQI level in 200340
    90th Percentile AQI level in 200360
    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 ppm4.6 ppm4.6 ppm 0 2
        8-hour average 9 ppm3 ppm2.7 ppm 0 2
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.01 ppm.004 ppm 0 2
    Ozone
        1-hour average 0.12 ppm.08 ppm.08 ppm 0 2
        8-hour average 0.08 ppm.08 ppm.08 ppm 0 2
    PM-25
        24-hour average 65 ug/m338 ug/m329 ug/m3 0 3
        Annual arithmetic mean 15 ug/m312.5 ug/m311 ug/m3 0 3
    PM-10
        24-hour average 150 ug/m350 ug/m343 ug/m3 0 3
        Annual arithmetic mean 50 ug/m319 ug/m319 ug/m3 0 3
    Sulfur dioxide
        3-hour average 0.50 ppm.03 ppm.02 ppm 0 2
        24-hour average 0.14 ppm.01 ppm.01 ppm 0 2
        Annual arithmetic mean 0.03 ppm.003 ppm.002 ppm 0 2
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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 Sources115,63415,7471,8846,6501,95813,037
    Area Sources11,2291,3711,2842,2921,12310,164
    Point Sources7,4585,1977348638,1291,936
    All sources134,32122,3153,9029,80411,21025,138
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  • Links

    Scorecard's report on
    South Carolina State Implementation Plan
    South Carolina Office of Environmental Quality Control
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