Overview
Indpls- Harding St. is an operational air monitoring station in Indianapolis, Indiana, managed by the Indiana Department of Environmental Management. It provides ambient air quality data as part of the US EPA Air Quality System.
Indpls- Harding St. is an air monitoring station located at 1321 South Harding Street in Indianapolis, Indiana. Operated by the Indiana Department of Environmental Management's Office of Air Quality, this station is part of the national ambient air quality monitoring network. It contributes to the US EPA's Air Quality System (AQS), which tracks criteria pollutants and other atmospheric parameters to ensure compliance with the Clean Air Act. The station is situated in a mixed urban-industrial area of Indianapolis, providing representative data for population exposure assessment. As part of the Indiana monitoring network, it likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's last reported sample date was March 31, 2025, indicating ongoing operation and data collection. Environmental monitoring at this site supports public health protection by informing air quality forecasts and regulatory decisions. The data collected helps assess compliance with National Ambient Air Quality Standards (NAAQS) and supports research on air pollution trends in the Indianapolis metropolitan area. This station plays a key role in the state's air quality management program.
Environmental context
Indianapolis is a major urban center with significant transportation and industrial emissions, making air quality monitoring critical. The Harding Street station is located near industrial zones and major roadways, providing data on pollutant concentrations in a representative urban setting. Monitoring criteria pollutants here helps assess compliance with EPA standards and supports public health advisories during high pollution events.
Frequently asked questions
The station is located at 1321 South Harding Street in Indianapolis, Indiana, within Marion County.
As part of the US EPA Air Quality System, the station likely monitors criteria pollutants including ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead.
The station is operated by the Indiana Department of Environmental Management's Office of Air Quality.
Air monitoring stations in the US operate under the Clean Air Act and are part of the EPA's Air Quality System (AQS), which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
The station provides real-time air quality data used for forecasting, health advisories, and regulatory compliance, helping protect public health in the Indianapolis area.
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