Overview
Pembroke Highway Department is an operational air monitoring station in Suncook, New Hampshire, managed by the New Hampshire Air Resources Agency. It provides ambient air quality data as part of the US EPA Air Quality System network.
Pembroke Highway Department is an air monitoring station located at Pleasant Street in Suncook, New Hampshire, United States. Operated by the New Hampshire Air Resources Agency, the station is part of the national ambient air quality monitoring network under the US EPA Air Quality System (AQS). It serves the Merrimack County area, contributing to the assessment of criteria pollutants and other atmospheric parameters. The station operates under the regulatory framework of the Clean Air Act and EPA ambient air quality standards. As a state-run monitoring site, it typically measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, depending on the specific equipment installed. The most recent sample date recorded is June 30, 2025, indicating ongoing data collection. Environmental monitoring in New Hampshire supports regional air quality management, public health protection, and compliance with National Ambient Air Quality Standards (NAAQS). The data from this station helps track pollution trends, inform emission reduction strategies, and provide the public with real-time air quality information through EPA's AirNow platform.
Environmental context
The station's location in Suncook, a village within Pembroke, provides representative monitoring for a mixed residential and light industrial area. New Hampshire's air quality is influenced by local sources such as transportation and heating, as well as regional transport from upwind states. Monitoring criteria pollutants and meteorological parameters helps assess compliance with NAAQS and supports health advisories for sensitive populations.
Frequently asked questions
The station is located at Pleasant Street in Suncook, New Hampshire, within Merrimack County, United States.
As part of the EPA Air Quality System, the station typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, depending on its specific equipment configuration.
The station is operated by the New Hampshire Air Resources Agency, which is responsible for ambient air quality monitoring across the state.
Air monitoring stations in the U.S. operate under the Clean Air Act and are part of the EPA Air Quality System (AQS) network, which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
Data from the station is used to assess compliance with NAAQS, track air quality trends, support public health advisories, and inform emission reduction strategies. It is also made available to the public through EPA's AirNow platform.
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