Overview
Dale-David Turnham School is an operational air monitoring station in Dale, Indiana, operated by the Indiana Department of Environmental Management. It provides ambient air quality data as part of the state's monitoring network.
Dale-David Turnham School is an air monitoring station located in Dale, Spencer County, Indiana, United States. The station is part of the Indiana Department of Environmental Management's Office of Air Quality network, contributing to ambient air quality surveillance in the region. As a fixed-site monitor, it supports the state's compliance with the U.S. EPA's National Ambient Air Quality Standards (NAAQS) by tracking criteria pollutants and other parameters. The station operates under the regulatory framework of the U.S. Clean Air Act and the EPA's Air Quality System (AQS). While specific parameters measured are not detailed, typical monitoring at such stations includes ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's last reported sample date was September 30, 2024, indicating ongoing data collection. Its location in a rural area of southwestern Indiana provides representative background air quality data for the region. Environmental monitoring at this station helps assess air quality trends and supports public health protection. The data collected is used by state and federal agencies to evaluate compliance with air quality standards, inform emission reduction strategies, and provide the public with timely air quality information. The station's role is part of a broader network that ensures comprehensive coverage across Indiana's diverse geography and emission sources.
Environmental context
The station is situated in a rural area of Spencer County, Indiana, where air quality is influenced by agricultural activities, local traffic, and regional transport of pollutants from nearby urban and industrial centers. Monitoring at this location helps characterize background air quality and detect any impacts from sources such as power plants and manufacturing facilities in the Ohio River Valley. The data contributes to understanding ozone and particulate matter patterns in the region, supporting the state's air quality management and public health advisories.
Frequently asked questions
The station is located at 105 S. Dunn St., David Turnham Education Center, Dale, Indiana, USA.
The station is operated by the Indiana Department of Environmental Management's Office of Air Quality.
Typical monitoring at such stations includes ozone, particulate matter, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, in accordance with EPA standards.
The station provides data to the EPA's Air Quality System (AQS), supporting compliance with the National Ambient Air Quality Standards (NAAQS) and informing air quality management decisions.
The station's last reported sample date is September 30, 2024, indicating ongoing operation.
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