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California Ozone (O3) Attainment Designations (1997 8-hour standard)
Geographic data showing regions in California by their ozone attainment designations in 1997. The data are stored in two formats: as a zip file that stores ArcGIS-readable data... -
Air Quality Data Collected at Outdoor Monitors Across the US
Preserved copy of site that allows for various ways of downloading, generating, and visualizing air quality data. Internet Archive URL:... -
Air Emissions Inventories
The National Emissions Inventory (NEI) is a detailed estimate of air emissions that include criteria pollutants and hazardous air pollutants. It is an aggregate of data from... -
National Emissions Inventory (NEI) | Air Emissions Inventories | US EPA
The National Emissions Inventory (NEI) is a comprehensive and detailed estimate of air emissions of criteria pollutants, criteria precursors, and hazardous air pollutants from...