Overview
21ST & GREENUP is an air monitoring station in Ashland, Kentucky, operated under the US EPA National Exposure Research Lab. It contributes to the national air quality monitoring network.
21ST & GREENUP is an air monitoring station located at 122 22nd Street in Ashland, Kentucky, within Boyd County. As part of the US EPA's National Exposure Research Lab network, this station plays a role in tracking ambient air quality in the region. The station is operational and supports the broader US EPA Air Quality System (AQS) monitoring network. The station operates under the regulatory framework of the US Clean Air Act, which mandates monitoring of criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. While specific parameters measured at this site are not detailed, typical stations in the EPA network measure a subset of these pollutants to assess compliance with National Ambient Air Quality Standards (NAAQS). The station's location in Ashland, an industrial area with historical steel and chemical manufacturing, is representative of urban-industrial exposure. Environmental monitoring at 21ST & GREENUP contributes to understanding air quality trends in the Ohio River Valley region, which is influenced by both local industrial emissions and regional transport. Data from this station supports public health advisories and regulatory decisions. The station's continuity of reporting is essential for long-term trend analysis and community health protection.
Environmental context
The station is situated in Ashland, Kentucky, an area with a history of heavy industry including steel production and chemical manufacturing. Air monitoring in this region focuses on capturing industrial emissions and their dispersion. The station's siting is likely designed to be representative of population exposure in a mixed industrial-residential area. Parameter coverage typically includes criteria pollutants, with potential for additional speciation depending on network priorities. Reporting continuity through the EPA AQS ensures data comparability across the national network.
Frequently asked questions
21ST & GREENUP is located at 122 22nd Street in Ashland, Kentucky, in Boyd County, United States.
As part of the US EPA National Exposure Research Lab network, 21ST & GREENUP monitors ambient air quality, typically measuring criteria pollutants such as ozone, particulate matter, and others as required by the Clean Air Act.
The station is operated under the US EPA National Exposure Research Lab, which is part of the federal Environmental Protection Agency.
The station operates under the US Clean Air Act and contributes data to the EPA Air Quality System (AQS), which supports National Ambient Air Quality Standards (NAAQS) compliance.
Ashland has a history of industrial activity including steel and chemical manufacturing, making air monitoring critical for assessing population exposure to industrial emissions and ensuring public health protection.
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