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Title: One-Hour Ozone Areas: Federal Designations, California, 2003

• California Air Resources Board. Planning and Technical Support Division
• Stephen P. Teale Data Center (Calif.).

Dates

• Issued: 2003
• Coverage: 2003

Publishers

• California. Air Resources Board

Summary

This polygon shapefile contains federal one-hour ozone area designations and their classifications as per 40CFR81.305, part of the National Ambient Air Quality Standard (NAAQS) which monitors pollutants in accordance with the Clean Air Act. There are three designation categories: nonattainment, unclassifiable and attainment areas. Non-attainment areas are those which are in violation of the standard. Nonattainment areas have various classifications. Each designation and classification area has an associated date field that represents the "effective" date of the action as published in 40CFR81.305. This data layer is current as of November 2003. Projection: Teale Albers, NAD83 This shapefile can be used to identify designation areas for ozone pollution attainment defined pursuant to the corresponding federal National Ambient Air Quality Standard for each pollutant as per the Clean Air Act. Teale Data Center GIS Lab. California Air Resources Board. (2003). One-Hour Ozone Areas: Federal Designations, California, 2003. California Air Resources Board. Available at: http://purl.stanford.edu/tq104yf5887. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

Subjects

• Environment
• Health
• California
• Atmospheric ozone
• Air quality management
• United States. Clean Air Act
• Climatology, Meteorology and Atmosphere
• Datasets

Geospatial coordinates

• Bounding Box: BBOX (-124.409596, -114.131473, 42.009835, 32.534028)
• Geometry: BBOX (-124.409596, -114.131473, 42.009835, 32.534028)

Provider

Stanford

Rights

• Access rights: Public

Citation

California Air Resources Board. Planning and Technical Support Division, Stephen P. Teale Data Center (Calif.). One-Hour Ozone Areas: Federal Designations, California, 2003. California. Air Resources Board. Polygon data. https://purl.stanford.edu/tq104yf5887

Format

Shapefile

Languages

• English