Overview
Marshall Point Lighthouse Air Monitoring Station in Port Clyde, Maine, is an operational station reporting to the Maine DEP Bureau of Air Quality Control. It provides ambient air quality data for the coastal region.
Marshall Point Lighthouse Air Monitoring Station is located at the historic Marshall Point Lighthouse in Port Clyde, Knox County, Maine, United States. Operated under the Maine Department of Environmental Protection's Bureau of Air Quality Control, this station is part of the state's ambient air monitoring network. It contributes to the US EPA's Air Quality System (AQS) by collecting data on criteria pollutants and meteorological parameters. The station's coastal siting provides representative data for the Midcoast Maine region, capturing air quality influenced by marine air masses and local sources. As part of the Maine DEP network, it follows EPA monitoring protocols for siting, instrumentation, and quality assurance. The station's last reported sample date is October 31, 2025, indicating ongoing operation. Environmental monitoring at this location supports public health protection by tracking pollutant levels in a rural coastal area. Data from this station helps assess regional air quality trends, background concentrations, and compliance with National Ambient Air Quality Standards (NAAQS). The station's role is significant for understanding air quality in the Gulf of Maine region.
Environmental context
The Marshall Point Lighthouse station is situated in a coastal rural environment, providing background air quality data for the Gulf of Maine region. Its location helps characterize marine-influenced air masses and long-range transport of pollutants. The station's measurements support the EPA's goal of monitoring air quality in diverse settings, including remote areas. Parameter coverage typically includes criteria pollutants such as ozone, PM2.5, and meteorological parameters, though specific instrumentation is not detailed.
Frequently asked questions
The station is located at Marshall Point Lighthouse in Port Clyde, Knox County, Maine, United States.
The station is operated by the Maine Department of Environmental Protection's Bureau of Air Quality Control.
As part of the Maine DEP network, the station likely monitors criteria pollutants such as ozone and PM2.5, along with meteorological parameters, in accordance with EPA monitoring requirements.
The station provides data to the EPA's Air Quality System (AQS) to assess compliance with National Ambient Air Quality Standards (NAAQS) and support regional air quality management.
Coastal stations capture background air quality influenced by marine air masses, helping to differentiate local emissions from regional and long-range transport, which is critical for understanding air pollution dynamics.
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