Overview
PDO - Portland Deering Oaks is an operational air monitoring station in Portland, Maine, United States. It is part of the Maine D.E.P. Bureau Of Air Quality Control network, providing ambient air quality data for the region.
PDO - Portland Deering Oaks is an air monitoring station located at 356 State Street in Portland, Maine, United States. Operated by the Maine Department of Environmental Protection's Bureau of Air Quality Control, this station is part of the national air quality monitoring network that supports compliance with the Clean Air Act and the EPA's Air Quality System (AQS). The station is operational and last reported data in January 2022, contributing to the characterization of air quality in the Portland metropolitan area. As an ambient air monitoring station, PDO - Portland Deering Oaks typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, as well as meteorological parameters. The station's siting is designed to be representative of population exposure and regional background conditions. In the United States, air monitoring stations follow rigorous EPA guidelines for siting, quality assurance, and data reporting to ensure consistency and reliability. The environmental significance of this station lies in its role in tracking air quality trends, supporting public health advisories, and informing regulatory decisions. Data from PDO - Portland Deering Oaks helps assess compliance with National Ambient Air Quality Standards (NAAQS) and contributes to regional air quality management. The station's location in an urban setting provides valuable insights into the impact of local emissions sources, such as transportation and industrial activities, on community health.
Environmental context
Portland, Maine, experiences a temperate climate with influences from the Atlantic Ocean, which can affect pollutant dispersion and formation. The region's air quality is generally good but can be impacted by seasonal ozone episodes and wintertime inversions that trap pollutants. As part of the EPA's AQS network, this station provides critical data for understanding local and regional air pollution patterns, supporting public health protection and environmental policy.
Frequently asked questions
PDO - Portland Deering Oaks is located at 356 State Street, Portland, Maine, United States.
As an air monitoring station, PDO - Portland Deering Oaks typically measures criteria pollutants such as ozone, particulate matter, nitrogen dioxide, and sulfur dioxide, as well as meteorological parameters, to assess ambient air quality.
The station is operated by the Maine Department of Environmental Protection's Bureau of Air Quality Control, based in Augusta.
Air monitoring in the United States is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS) network, which sets standards for monitoring methods, siting, and data reporting.
The station provides data used to assess compliance with National Ambient Air Quality Standards (NAAQS), support public health advisories, and inform air quality management decisions in the Portland region.
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