POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: SANTA CRUZ County, CA
 
 
  • Map Locating the Pollution Sources

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

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  • Environmental Justice Analysis for SANTA CRUZ 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:98
    Percentage of days with moderate air quality:2
    Percentage of days with unhealthful air quality for sensitive populations:0
    Percentage of days with unhealthful air quality:0
    Maximum AQI level in 200374
    Median AQI level in 200330
    90th Percentile AQI level in 200341
    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 ppm1.6 ppm1.3 ppm 0 1
        8-hour average 9 ppm.7 ppm.7 ppm 0 1
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.004 ppm0 ppm 0 1
    Ozone
        1-hour average 0.12 ppm.09 ppm.08 ppm 0 4
        8-hour average 0.08 ppm.07 ppm.07 ppm 0 4
    PM-25
        24-hour average 65 ug/m315 ug/m314 ug/m3 0 1
        Annual arithmetic mean 15 ug/m37.4 ug/m30 ug/m3 0 1
    PM-10
        24-hour average 150 ug/m370 ug/m365 ug/m3 0 3
        Annual arithmetic mean 50 ug/m327 ug/m318 ug/m3 0 3
    Sulfur dioxide
        3-hour average 0.50 ppm.01 ppm.01 ppm 0 1
        24-hour average 0.14 ppm.005 ppm.005 ppm 0 1
        Annual arithmetic mean 0.03 ppm.001 ppm0 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 Sources43,3726,4872,07010,8142924,325
    Area Sources11,6807911,7893,352524,400
    Point Sources5,7511,11581235303278
    All sources60,8038,3933,94014,4006479,003
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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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