POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: SAN BENITO County, CA
 
 
  • Map Locating the Pollution Sources

    SAN BENITO 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-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 CALIFORNIA by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in SAN BENITO County by criteria air pollutant emissions.
    Rank monitoring stations in SAN BENITO County by criteria air pollutant exposures.

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  • Environmental Justice Analysis for SAN BENITO 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 112,600


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  • Exposures to Criteria Air Pollutants
  • Air Quality Index:
    Percentage of days with good air quality:85
    Percentage of days with moderate air quality:14
    Percentage of days with unhealthful air quality for sensitive populations:1
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 2003109
    Median AQI level in 200336
    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
    Ozone
        1-hour average 0.12 ppm.11 ppm.1 ppm 0 2
        8-hour average 0.08 ppm.08 ppm.08 ppm 2 2
    PM-10
        24-hour average 150 ug/m336 ug/m335 ug/m3 0 1
        Annual arithmetic mean 50 ug/m316 ug/m30 ug/m3 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 Sources7,1941,8411,0356,12281716
    Area Sources6,4643761,2153,375171,001
    Point Sources41711126120
    All sources13,6992,2892,2619,522991,737
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    Email EPA
    Email Governor of CALIFORNIA
    Join an online discussion about pollution in SAN BENITO County


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    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

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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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