The epa has set national ambient air quality standards naaqs for six principal criteria pollutants. Information is current as of the green book posted date and is available in reports, maps and data downloads. Green book map download nonattainment areas for criteria. Nonattainment areas for criteria pollutants green book the epa green book provides detailed information about area national ambient air quality standards naaqs designations, classifications and nonattainment status. Current nonattainment counties for all criteria pollutants green. Epa refers to these pollutants as criteria pollutants because they are regulated by using human healthbased andor environmentallybased criteria to set permissible levels. Counties designated nonattainment green book us epa. Environmental protection agency epa has established national ambient air quality standards naaqs. For older naaqs, many areas were nonattainment before 1992 but the 1992. The epa set the first naaqs for carbon monoxide in 1971. The site is intended to make easily available information on both data and policy related to the ozone naaqs. The agency later designated 39 areas including at least part of 208 counties as nonattainment not meeting the standards effective april 5, 2005. The green book nonattainment areas for criteria pollutants. Epa home green book current nonattainment counties for all criteria pollutants.
An area designated as an ozone nonattainment area as of the date of enactment of the clean air act amendments of 1990 and did not have sufficient data to determine if it is meeting or is not meeting the ozone standard. Green book pm10 1987 area information this section provides detailed information about designations, classifications and the nonattainment area status for the pm10 1987 national ambient air quality standards naaqs. This report is a summary of the population living in an area that is in nonattainment for at least one of the national ambient air quality standards naaqs. Nonattainment and maintenance areas for the current 8hour ozone naaqs obtained from epa s green book. Green book 1hour ozone 1979 area information naaqs revoked this section provides detailed information about designations, classifications and the status of the nonattainment areas at the time of the 1hour ozone 1979 national ambient air quality standards naaqs revocation. This page provides links to criteria pollutant national ambient air quality standards naaqs nonattainment area and county information based. Epa proposes retaining current naaqs for particulate. Air quality standards are heah standards for lead, carbon mon sulfur dioxide, ground level8hr ozone, and particulate matter pm10 and pm2. Green book 8hour ozone 2015 area information this section provides detailed information about designations, classifications and the nonattainment area status for the 8hour ozone 2015 national ambient air quality standards naaqs. The united states environmental protection agencys epa green book defines criteria pollutants. The clean air act requires the epa to set naaqs for criteria pollutantscurrently pm, groundlevel ozone o3, carbon.
There can be multiple rows for a county for a naaqs if different parts of a. Tceq air quality division tceq ozone naaqs update jhs march 26, 2019 page 9 hgb 2008 eighthour ozone naaqs epa proposed reclassification from moderate to serious nonattainment on november 14, 2018. The green book nonattainment areas for criteria pollutants as of july 02, 2014 view federal register notices published or effective after this green book was posted. National air quality and emission trends report special. New jersey nonattainmentmaintenance status for each. This section provides detailed information about nonattainment area designations for the carbon monoxide 1971 national ambient air quality standards naaqs. These statecounty reports list the annual nonattainment and maintenance status of each county by designated area name by naaqs. Carbon monoxide 1971 areas nitrogen dioxide 1971 area.
Nonattainment area is any area that does not meet or that contributes to ambient air quality in a nearby area that does not meet the national primary or secondary ambient air quality standard naaq for. Our nations air status and trends through 2008 epa. We further examined how the association varied with respect to countylevel naaqs designations by stratifying in two ways. Naaqs statutory requirements do not directly limit emissions. Green book 8hour ozone 2015 area information us epa. Ozone designation and classification information us epa. Environmental protection agency research triangle park, nc 27711 august 2005. Output from this report may be downloaded in xls and dbf formats from the data download section of the green book under the.
County pollutant area name nonattainment in year redesignation to maintenance classification whole or part county population 2010 state county fips. An area meets the carbon monoxide naaqs if no more than one 8. The federal clean air act requires the united states environmental protection agency usepa to set national ambient air quality standards naaqs for six common air pollutants. In 1997, epa set the national ambient air quality standards naaqs for annual fine particle pm 2. This web site contains a variety of information related to several aspects of the ozone national ambient air quality standard naaqs attainment effort. All designated area selections nonattainment and maintenance. These commonly found air pollutants also known as criteria pollutants are particle pollution or particulate matter pm, groundlevel ozone, carbon monoxide co. Partial counties, those with part of the county designated nonaltainment and part altai are sh own as fu ii cou nties on the map. Nonattainment areas for criteria pollutants green book us epa. Nonattainment areas for criteria pollutants green book. Any county not listed has been designated attainment since 1992. The design value is the annual arithmetic mean concentrations, averaged over 3 years. The majority of co emitted into the ambient air is from mobile sources. This section provides detailed information about designations, classifications and the nonattainment area status for the 8hour ozone 2015 national ambient air quality standards naaqs.
Maps are updated each time a new version of the green book is. Emissions inventory group emissions, monitoring and analysis division office of air quality planning and standards u. Green book carbon monoxide 1971 area information us epa. Areas participating in the oxygenated gasoline program. Green book nonattainment areas missouri nonattainment. On march 7, 1995, the epa redesignated victoria county as attainment for the. Listed by state, county, naaqs part county na na area name classification, if applicable. Environmental protection agency ghg greenhouse gas hfcs hydrofluorocarbons icoads international comprehensive.
Carbon monoxide co is a colorless, odorless, and poisonous gas produced by incomplete burning of fuels used in internal combustion engines. Federal register notices published or effective since this green book was posted. Under the caa, congress mandated that epa establish two types of naaqs for each criteria pollutant a primary naaqs, which must protect public health with. Rather, naaqs rationbased standards for ambient outdoor pollution. Green book 1hour ozone 1979 area information naaqs. Polygons in this shapefile indicate areas in indiana designated as nonattainment for ozone and or pm2. Questions concerning the status of nonattainment areas, their classification and epa policy should be directed to. The epa green book provides detailed information about area national ambient air quality standards naaqs designations, classifications and nonattainment status. The 8hour ozone 1997 standard was revoked on april 6, 2015 and the 1hour ozone 1979 standard was revoked on june 15, 2005. Green book data download nonattainment areas for criteria. Epa home green book the green book nonattainment areas the green book nonattainment areas for criteria pollutants questions concerning the status of nonattainment areas, their classification and epa policy should be directed to.
The primary standard was set at 9 ppm averaged over an 8hour period and 35 ppm over a 1hour period. Green book carbon monoxide 1971 area information this section provides detailed information about nonattainment area designations for the carbon monoxide 1971 national ambient air quality standards naaqs. Epa home green book select a state select a state data is current as of march 31, 2020 alaska arizona california colorado connecticut delaware. Federal register notices published since this green book was posted. Epa uses six criteria pollutants as indicators of air quality, and has established for each of them a maximum concentration above which adverse effects on human health may occur.
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