POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: SAN JUAN County, UT
 
 
  • Map Locating the Pollution Sources

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

    Rank counties in UTAH by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in SAN JUAN County by criteria air pollutant emissions.
    Rank monitoring stations in SAN JUAN County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for SAN JUAN 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:88
    Percentage of days with moderate air quality:12
    Percentage of days with unhealthful air quality for sensitive populations:0
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 200382
    Median AQI level in 200342
    90th Percentile AQI level in 200354
    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
    Ozone
        1-hour average 0.12 ppm.07 ppm.07 ppm 0 1
        8-hour average 0.08 ppm.07 ppm.07 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 Sources6,6201,2506883,977851,035
    Area Sources4,3451637252,04024902
    Point Sources6641,025891,40358
    All sources11,6292,4381,4216,0251,5111,995
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  • Links

    Scorecard's report on
    Utah Real-Time Air Monitoring
    Utah State Implementation Plan
    Utah Department of Enviromental Quality, Division of Air Quality
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