The AirData Web

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This page provides a description and a link to a "The AirData Web" database that provides information needed when modeling exposure levels or performing exposure assessment.

Short description

The AirData Web site gives you access to air pollution data for the entire United States. AirData includes annual summaries of air pollution data from two EPA AQS (Air Quality System) database providing air monitoring data - ambient concentrations of criteria (carbon Monoxide, nitrogen dioxide, sulfur dioxide, ozone, particulate matter (PM10 and PM2.5), and lead) and hazardous air pollutants (HAPs) at monitoring sites, primarily in cities and towns. AirData includes also emission data from NEI (National Emission Inventory) database providing estimates of annual emissions of criteria (carbon monoxide, nitrogen oxides, sulfur dioxide, particulate matter (PM10 and PM2.5), volatile organic compounds, and ammonia) and hazardous air pollutants from all types of sources (stationary and mobile sources). The NEI database in 2002 replaced two separate EPA databases for emissions of criteria air pollutants (National Emission Trends, or NET) and hazardous air pollutants (National Toxics Inventory, or NTI).


Regional coverage

USA, all states


CO, carbon monoxide, O3, ozone, SO2, sulfur dioxide, PM2.5, PM10, PM, particles, particulate matter, metals, Pb, lead, outdoor air, HAP, hazardous air pollutants, criteria air pollutants, emissions, outdoor air, sources, Nox, nitrogen oxides, VOC, volatile organic compounds, NH3, ammonia