POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: ST. LOUIS County, MN
 
 
  • Map Locating the Pollution Sources

    ST. LOUIS 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 MINNESOTA by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in ST. LOUIS County by criteria air pollutant emissions.
    Rank monitoring stations in ST. LOUIS County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for ST. LOUIS 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:84
    Percentage of days with moderate air quality:16
    Percentage of days with unhealthful air quality for sensitive populations:0
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 2003124
    Median AQI level in 200334
    90th Percentile AQI level in 200358
    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 ppm2.8 ppm 0 1
        8-hour average 9 ppm1.9 ppm1.7 ppm 0 1
    Lead
        Quarterly average 1.5 ug/m3.04 ug/m3.01 ug/m3 0 2
    Ozone
        1-hour average 0.12 ppm.07 ppm.07 ppm 0 1
        8-hour average 0.08 ppm.06 ppm.06 ppm 0 1
    PM-25
        24-hour average 65 ug/m342 ug/m334 ug/m3 0 4
        Annual arithmetic mean 15 ug/m38.3 ug/m36.9 ug/m3 0 4
    PM-10
        24-hour average 150 ug/m376 ug/m375 ug/m3 0 5
        Annual arithmetic mean 50 ug/m327 ug/m326 ug/m3 0 5
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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 Sources83,96012,7323,91021,32292012,564
    Area Sources6,5378461,0361,8643775,300
    Point Sources3,07720,22214,90326,6724,8111,359
    All sources93,57433,80119,84949,8586,10819,223
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  • Links

    Scorecard's report on
    Minnesota State Implemenation Plan
    Minnesota Pollution Control Agency - Air
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