POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: EL DORADO County, CA
  • Map Locating the Pollution Sources

    EL DORADO 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 CALIFORNIA by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in EL DORADO County by criteria air pollutant emissions.
    Rank monitoring stations in EL DORADO County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for EL DORADO 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
        8-hour average 7,428,168
        1-hour average 675,288

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  • Exposures to Criteria Air Pollutants
  • Nonattainment Status:
    This county is in the Sacramento Metro, CA nonattainment area for failing to meet the national ambient air quality standard for the following criteria air pollutants:
    1. Ozone
    Air Quality Index:
    Percentage of days with good air quality:60
    Percentage of days with moderate air quality:33
    Percentage of days with unhealthful air quality for sensitive populations:6
    Percentage of days with unhealthful air quality:1
    Maximum AQI level in 2003195
    Median AQI level in 200346
    90th Percentile AQI level in 200392
    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
    of NAAQS
    Carbon monoxide
        1-hour average 35 ppm2.4 ppm2.4 ppm 0 4
        8-hour average 9 ppm1.9 ppm1.6 ppm 0 4
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.01 ppm.003 ppm 0 2
        1-hour average 0.12 ppm.14 ppm.14 ppm 4 5
        8-hour average 0.08 ppm.12 ppm.11 ppm 44 5
        24-hour average 65 ug/m321 ug/m319 ug/m3 0 1
        Annual arithmetic mean 15 ug/m37.2 ug/m30 ug/m3 0 1
        24-hour average 150 ug/m373 ug/m361 ug/m3 0 5
        Annual arithmetic mean 50 ug/m318 ug/m318 ug/m3 0 5
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  • 1999 Emissions Summary of Criteria Air Pollutants
  • (Expressed in tons of pollutant emitted)
    PM-2.5 PM-10 Sulfur
    Mobile Sources30,1086,6994,19024,6132864,051
    Area Sources34,1776854,6097,089995,541
    Point Sources2,23983213292240103
    All sources66,5257,4679,01331,9956249,695
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  • Links

    Scorecard's report on
    California Real-Time Air Monitoring
    California State Implementation Plan for Ozone
    California Air Resources Board
    California Air Quality Measurements (daily and hourly statistics)
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