WebJan 14, 2011 · EPA areas are designated as nonattainment on the basis of EPA design values (i.e., statistics derived from multiple years of data that describe the ambient air quality status of a given area relative to the level of the NAAQS). WebMar 31, 2024 · The EPA Green Book provides detailed information about area National Ambient Air Quality Standards (NAAQS) designations, classifications and nonattainment status. Information is current as of the Green Book posted date and is … Map of Number of NAAQS by County Designated Nonattainment - U.S. Map; … A listing of all areas in nonattainment as of the Green Book posting date grouped … Individual State Maps with Nonattainment Areas [~4.3 MB] Individual State Maps … They contain the boundary shapes for all of the areas that were designated … (1) In areas designated nonattainment for the Pb standards prior to the …
Air Plan Revisions; California; San Joaquin Valley Unified Air ...
WebInformation about specific PM2.5 nonattainment areas and the efforts to bring them into attainment of the federal PM2.5 standards can be found on the California State Implementation Plan (SIP) webpage. 2012 12.0 ug/m 3 Annual PM 2.5 Standard. January 2015 - U.S. EPA issued final area designations (effective April 15, 2015) Federal … WebThe South Coast Air Basin (South Coast) with over 13 million residents has had more success with PM2.5 over the years driven by reductions in secondary PM2.5 and is the other extreme ozone area in ... elementi visokogradnje 1 gfos
Are we successful in reducing vehicle miles traveled in air quality ...
WebNov 1, 2024 · Effective January 15, 2015, the EPA designated a portion of Plumas County as a Moderate nonattainment area (“Portola nonattainment area”) for the 2012 PM 2.5 NAAQS based on ambient monitoring data that showed the area was above the 12.0 μg/m primary standard for the 3-year 2011-2013 monitoring period. WebFor instance, the simultaneous equation model in this research, suggests that if a nonattainment area and an attainment area that are similar in all other aspects (population composition, socio-economics, urbanization, fuel price, vehicle stock, etc.) are compared, the VMT in the nonattainment area will be 1.80% less than that in the attainment ... WebNonattainment areas are designated regions within the country where measured concentrations of one or more criteria pollutant exceeds the NAAQS or contribute significant amounts of pollutants to an area that measures air quality that exceeds the standard. elementi sigurnosti cestovnog prometa