POLLUTION LOCATOR|Smog and Particulates | County Report

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

    DAVIS County
  •   [ top ]
     
     
  • 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:
    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 DAVIS County by criteria air pollutant emissions.
    Rank monitoring stations in DAVIS County by criteria air pollutant exposures.

  •   [ top ]
     
     
  • Environmental Justice Analysis for DAVIS County

    View Summary Environmental Justice Report (en español).

  •   [ top ]
     
     
  • Health Risks


  •   [ top ]
     
     
  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:86
    Percentage of days with moderate air quality:13
    Percentage of days with unhealthful air quality for sensitive populations:1
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 2003114
    Median AQI level in 200323
    90th Percentile AQI level in 200356
    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 ppm3.7 ppm3.6 ppm 0 1
        8-hour average 9 ppm2.3 ppm2.2 ppm 0 1
    Lead
        Quarterly average 1.5 ug/m3.04 ug/m3.02 ug/m3 0 2
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.02 ppm.01 ppm 0 2
    Ozone
        1-hour average 0.12 ppm.1 ppm.09 ppm 0 2
        8-hour average 0.08 ppm.08 ppm.08 ppm 0 2
    PM-25
        24-hour average 65 ug/m347 ug/m345 ug/m3 0 2
        Annual arithmetic mean 15 ug/m39.7 ug/m37.5 ug/m3 0 2
    Sulfur dioxide
        3-hour average 0.50 ppm.01 ppm.01 ppm 0 2
        24-hour average 0.14 ppm.008 ppm.007 ppm 0 2
        Annual arithmetic mean 0.03 ppm.002 ppm.002 ppm 0 2
      [ top ]
     
     
  • 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 Sources59,1048,5021,1233,2097166,910
    Area Sources17,4462,3764,23614,2156466,934
    Point Sources7222,0492243582,7931,098
    All sources77,27212,9275,58317,7824,15414,942
      [ top ]
     
     
    Email EPA
    Email Governor of UTAH
    Join an online discussion about pollution in DAVIS County


    Email a Scorecard Community Report to a friend
    Network with environmental groups
    Learn how to use Scorecard to find out about toxics in your community


    Contribute to Environmental Defense
    Volunteer with environmental groups in your community

      [ top ]
     
     
  • Links

    Scorecard's report on
    Salt Lake County Real-Time Air Monitoring
    Utah State Implementation Plan
    Utah Department of Enviromental Quality, Division of Air Quality
  •   [ top ]