POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: LANCASTER County, PA
  • Map Locating the Pollution Sources

    LANCASTER 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:
    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 PENNSYLVANIA by criteria air pollutant health risks, exposures, or emissions.
    Rank facilities in LANCASTER County by criteria air pollutant emissions.
    Rank monitoring stations in LANCASTER County by criteria air pollutant exposures.

  •   [ top ]
  • Environmental Justice Analysis for LANCASTER County

    View Summary Environmental Justice Report (en español).

  •   [ top ]
  • Health Risks
  • Population Exposed to Unhealthy Levels of Criteria Air Pollutants:

    Pollutant Person-days
    in exceedance
    of NAAQS
        8-hour average 1,448,325
        1-hour average 482,775
        Annual arithmetic mean 482,775

      [ top ]
  • Exposures to Criteria Air Pollutants
  • Nonattainment Status:
    This county is in the Lancaster, PA 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:75
    Percentage of days with moderate air quality:22
    Percentage of days with unhealthful air quality for sensitive populations:3
    Percentage of days with unhealthful air quality:1
    Maximum AQI level in 2003192
    Median AQI level in 200337
    90th Percentile AQI level in 200372
    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 ppm2.8 ppm2.7 ppm 0 1
        8-hour average 9 ppm2.2 ppm1.7 ppm 0 1
    Nitrogen dioxide
        Annual arithmetic mean 0.053 ppm.01 ppm0 ppm 0 1
        1-hour average 0.12 ppm.13 ppm.11 ppm 1 1
        8-hour average 0.08 ppm.12 ppm.1 ppm 3 1
        24-hour average 65 ug/m372 ug/m356 ug/m3 0 1
        Annual arithmetic mean 15 ug/m317.6 ug/m30 ug/m3 1 1
        24-hour average 150 ug/m386 ug/m353 ug/m3 0 1
        Annual arithmetic mean 50 ug/m320 ug/m30 ug/m3 0 1
    Sulfur dioxide
        3-hour average 0.50 ppm.04 ppm.03 ppm 0 1
        24-hour average 0.14 ppm.01 ppm.01 ppm 0 1
        Annual arithmetic mean 0.03 ppm.005 ppm0 ppm 0 1
      [ top ]
  • 1999 Emissions Summary of Criteria Air Pollutants
  • (Expressed in tons of pollutant emitted)
    PM-2.5 PM-10 Sulfur
    Mobile Sources106,91116,5452,56710,0041,41210,224
    Area Sources9,2723,7663,34910,9623,92711,736
    Point Sources2173,7652112525,2424,365
    All sources116,40024,0766,12621,21810,58126,326
      [ top ]
    Email EPA
    Email Governor of PENNSYLVANIA
    Join an online discussion about pollution in LANCASTER 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
    Pennsylvania Real-Time Pollutant Standards Index
    Pennsylvania State Implementation Plan
    Pensylvania Department of Environmental Protection
  •   [ top ]