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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 Trends by City: 2000-2015
Air quality status and trends for counties and cities, defined as CBSAs (Core-Based Statistical AreasEXIT), with monitoring data. Table is based on data from EPA's AQS (Air... -
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:... -
2011 NATA (National Air Toxics Assessment): Assessment Results
This page provides the inventory inputs, ambient and exposure concentrations, and results for the 2011 National-scale Air Toxics Assessments. The starting point for the 2011... -
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...