Overview
Moosehorn NWR is an air monitoring station in Calais, Maine, operated by the National Park Service as part of the IMPROVE network. It provides data on visibility and particulate matter for the region.
Moosehorn NWR is an air monitoring station located within the Moosehorn National Wildlife Refuge in Calais, Washington County, Maine, United States. It is part of the Interagency Monitoring of Protected Visual Environments (IMPROVE) network, which focuses on assessing visibility impairment and particulate matter concentrations in protected areas. The station is operated by the National Park Service and provides continuous monitoring data. The IMPROVE network is a key component of the US EPA's air quality monitoring framework, supporting the Regional Haze Rule and the Clean Air Act. Stations like Moosehorn NWR measure fine particulate matter (PM2.5) and other pollutants to track visibility trends and inform regulatory decisions. The station's location in a rural, protected area ensures representative background air quality data. Moosehorn NWR contributes to long-term environmental monitoring in the northeastern United States, helping to assess the effectiveness of emission reduction programs. Its data supports research on atmospheric transport and the impact of regional pollution sources on visibility in Class I areas. The station's operational status and recent sample date indicate ongoing data collection for public and scientific use.
Environmental context
Moosehorn NWR operates within the IMPROVE network, which monitors visibility and particulate matter in protected areas. The station's location in a national wildlife refuge provides a baseline for assessing regional air quality impacts from industrial and urban sources. Its data supports the Regional Haze Rule and contributes to understanding long-range pollutant transport in the Northeast.
Frequently asked questions
Moosehorn NWR is located within the Moosehorn National Wildlife Refuge in Calais, Washington County, Maine, United States.
As part of the IMPROVE network, Moosehorn NWR monitors visibility and fine particulate matter (PM2.5) to assess air quality and regional haze.
The station is operated by the National Park Service, which manages air monitoring in protected areas under the IMPROVE program.
The Interagency Monitoring of Protected Visual Environments (IMPROVE) network is a collaborative program that monitors visibility and particulate matter in Class I areas across the United States, supporting the Regional Haze Rule.
Data from Moosehorn NWR helps track long-term visibility trends and assess the effectiveness of emission reduction programs under the Clean Air Act and Regional Haze Rule.
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