Air Quality Maintenance Area Particulate Matter
收藏Oregon Open Data Portal2023-06-28 更新2026-03-28 收录
下载链接：
https://geohub.oregon.gov/datasets/oregon-geo::air-quality-maintenance-area-particulate-matter
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资源简介：
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant PM10 (particulate matter). A criteria pollutant means any of the six pollutants set out by the Clean Air Act (sulfur oxides, particulate matter, ozone, carbon monoxide, nitrogen dioxide, and lead) for which the EPA has promulgated standards in 40 CFR 50.4 through 50.12 (July, 1993).
提供机构：
Oregon Department of Environmental Quality, Air Quality Division.
