POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: COOK County, IL
 
 
  • Map Locating the Pollution Sources

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

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  • Environmental Justice Analysis for COOK 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 48,163,968
    PM-25
        Annual arithmetic mean 42,812,416


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  • Exposures to Criteria Air Pollutants
  • Nonattainment Status:
    This county is in the Lyons Twsp., IL nonattainment area for failing to meet the national ambient air quality standard for the following criteria air pollutants:
    1. PM-10
    This county is in the Chicago-Gary-Lake County, IL-IN nonattainment area for failing to meet the national ambient air quality standard for the following criteria air pollutants:
    1. Ozone
    This county is in the Southeast Chicago, IL nonattainment area for failing to meet the national ambient air quality standard for the following criteria air pollutants:
    1. PM-10
    Air Quality Index:
    Percentage of days with good air quality:5
    Percentage of days with moderate air quality:82
    Percentage of days with unhealthful air quality for sensitive populations:12
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 2003155
    Median AQI level in 200370
    90th Percentile AQI level in 2003104
    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 ppm4.7 ppm4.4 ppm 0 4
        8-hour average 9 ppm3.5 ppm3.4 ppm 0 4
    Lead
        Quarterly average 1.5 ug/m3.08 ug/m3.06 ug/m3 0 8
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.03 ppm.03 ppm 0 7
    Ozone
        1-hour average 0.12 ppm.11 ppm.1 ppm 0 13
        8-hour average 0.08 ppm.09 ppm.09 ppm 9 13
    PM-25
        24-hour average 65 ug/m357 ug/m351 ug/m3 0 12
        Annual arithmetic mean 15 ug/m316.8 ug/m316.7 ug/m3 8 12
    PM-10
        24-hour average 150 ug/m3120 ug/m3119 ug/m3 0 9
        Annual arithmetic mean 50 ug/m333 ug/m332 ug/m3 0 9
    Sulfur dioxide
        3-hour average 0.50 ppm.07 ppm.05 ppm 0 6
        24-hour average 0.14 ppm.03 ppm.02 ppm 0 6
        Annual arithmetic mean 0.03 ppm.006 ppm.005 ppm 0 6
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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 Sources1,028,742172,0649,07220,56012,056109,126
    Area Sources33,92460,9947,91718,69210,079105,421
    Point Sources73,37539,46912,59219,95951,34948,151
    All sources1,136,041272,52629,58159,21173,485262,698
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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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