Overview
Greenfield 16 Barr Ave is an operational air monitoring station in Greenfield, Massachusetts, operated by the Massachusetts Department of Environmental Protection. It contributes to the US EPA Air Quality System network, tracking criteria pollutants
Greenfield 16 Barr Ave is an air monitoring station located at Veterans Field in Greenfield, Massachusetts, United States. Operated by the Massachusetts Department of Environmental Protection's Division of Air Quality Control, it is part of the statewide network that supports the US EPA Air Quality System (AQS). This station plays a role in monitoring ambient air quality in Franklin County, a region with a mix of rural and small urban areas. The station is operational and reported its last sample on August 31, 2025. As a fixed monitoring site, it typically measures criteria pollutants such as ozone, particulate matter, and nitrogen dioxide, in line with National Ambient Air Quality Standards (NAAQS). The Massachusetts DEP ensures data quality and reporting continuity, contributing to regional air quality assessments and public health advisories. Environmental monitoring at this station supports local and state efforts to track air pollution trends, especially in areas influenced by seasonal weather patterns and regional transport of pollutants. The data collected helps inform regulatory decisions and community awareness, reinforcing the importance of sustained monitoring infrastructure in smaller urban centers like Greenfield.
Environmental context
Greenfield is located in the Connecticut River Valley of western Massachusetts, where topography and weather patterns can trap pollutants, especially during winter inversions. The station's siting at Veterans Field provides representative sampling of urban background air quality. Monitoring here focuses on criteria pollutants like ozone and PM2.5, which are regulated under the Clean Air Act. The station's data supports the EPA AQS network and helps assess compliance with NAAQS, contributing to regional air quality management.
Frequently asked questions
The station is located at Veterans Field in Greenfield, Massachusetts, United States. It is operated by the Massachusetts Department of Environmental Protection.
As part of the EPA Air Quality System network, the station typically monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and sulfur dioxide, in accordance with National Ambient Air Quality Standards.
The station provides continuous data that helps the Massachusetts DEP assess regional air quality, identify pollution trends, and issue health advisories. Its data is integrated into the EPA AQS database for regulatory compliance and public reporting.
The station operates under the US Clean Air Act and the EPA's Air Quality System (AQS) network. Monitoring methods and quality assurance follow EPA guidelines to ensure data accuracy and comparability across the national network.
Greenfield's location in the Connecticut River Valley can experience air stagnation, leading to higher pollutant concentrations. Monitoring helps protect public health by tracking ozone and particle pollution, especially during summer and winter episodes.
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