POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: ST. CLAIR County, IL
 
 
  • Map Locating the Pollution Sources

    ST. CLAIR 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 (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 ILLINOIS by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in ST. CLAIR County by criteria air pollutant emissions.
    Rank monitoring stations in ST. CLAIR County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for ST. CLAIR 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 775,818
        1-hour average 517,212


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  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:44
    Percentage of days with moderate air quality:53
    Percentage of days with unhealthful air quality for sensitive populations:2
    Percentage of days with unhealthful air quality:1
    Maximum AQI level in 2003166
    Median AQI level in 200354
    90th Percentile AQI level in 200383
    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 ppm4.4 ppm4.1 ppm 0 1
        8-hour average 9 ppm3.2 ppm2.4 ppm 0 1
    Lead
        Quarterly average 1.5 ug/m3.06 ug/m3.05 ug/m3 0 1
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.01 ppm0 ppm 0 1
    Ozone
        1-hour average 0.12 ppm.13 ppm.12 ppm 2 1
        8-hour average 0.08 ppm.11 ppm.1 ppm 3 1
    PM-25
        24-hour average 65 ug/m351 ug/m345 ug/m3 0 2
        Annual arithmetic mean 15 ug/m314.9 ug/m314.3 ug/m3 0 2
    PM-10
        24-hour average 150 ug/m370 ug/m363 ug/m3 0 1
        Annual arithmetic mean 50 ug/m334 ug/m30 ug/m3 0 1
    Sulfur dioxide
        3-hour average 0.50 ppm.16 ppm.16 ppm 0 1
        24-hour average 0.14 ppm.04 ppm.04 ppm 0 1
        Annual arithmetic mean 0.03 ppm.005 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 Sources64,95110,5641,6527,0878496,747
    Area Sources2,3201,1091,4685,8701474,645
    Point Sources2871,7023,1405,4576,1653,707
    All sources67,55813,3756,26118,4147,16115,099
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  • Links

    Scorecard's report on
    Illinois Real-Time Air Monitoring
    Illinois State Implementation Plan
    Illinois Environmental Protection Agency
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