Overview
Oklahoma Union (Nowata County) is an operational air monitoring station in South Coffeyville, Oklahoma, operated by the Oklahoma Department of Environmental Quality. It contributes to the US EPA Air Quality System network.
Oklahoma Union (Nowata County) is an air monitoring station located at Oklahoma Union School in South Coffeyville, Oklahoma. It is part of the state's ambient air quality monitoring network, operated by the Oklahoma Department of Environmental Quality Air Quality Division. The station provides data to the US EPA Air Quality System (AQS), supporting regulatory compliance and public health assessments. The station operates under the US Clean Air Act framework, with monitoring typically focused on criteria pollutants such as ozone, particulate matter, and nitrogen dioxide. As a rural site in Nowata County, it helps characterize background air quality in northeastern Oklahoma. The station's last reported sample date was December 31, 2023, indicating ongoing data collection. Environmental monitoring in this region supports understanding of air quality impacts from agricultural activities, local industry, and transport. Data from this station contributes to EPA's national air quality trends and helps inform local air quality management decisions. The station's location at a school provides representative community-scale exposure data.
Environmental context
The station is situated in a rural area of northeastern Oklahoma, where air quality is influenced by agricultural emissions, occasional wildfires, and regional transport from urban centers. Monitoring criteria pollutants at this site helps assess compliance with National Ambient Air Quality Standards (NAAQS) and supports the EPA's AQS network. The rural siting provides background concentration data essential for distinguishing local sources from regional pollution.
Frequently asked questions
The station is located at Oklahoma Union School in South Coffeyville, Nowata County, Oklahoma, USA.
The station is operated by the Oklahoma Department of Environmental Quality Air Quality Division, which reports data to the US EPA Air Quality System.
Air monitoring in Oklahoma is governed by the US Clean Air Act and EPA regulations, with state implementation through the Oklahoma Department of Environmental Quality. Stations must meet EPA siting and quality assurance requirements.
The station provides ambient air quality data used for NAAQS compliance assessments, public health advisories, and trend analysis. Its rural location helps characterize background pollution levels in northeastern Oklahoma.
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