Haverhill High School Air Monitoring Station | Haverhill, Massachusetts Environmental Monitoring

Haverhill High School Air Monitoring Station is an operational air quality monitoring facility located at 137 Monument Street in Haverhill, Massachusetts, United States. It is part of the state's ambient air monitoring network, overseen by the Massachusetts Department of Environmental Protection, Division of Air Quality Control. The station contributes to the US EPA's Air Quality System (AQS) by providing data on criteria pollutants and other parameters. The station operates under the regulatory framework of the US Clean Air Act and the National Ambient Air Quality Standards (NAAQS). As a monitoring site in a suburban setting, it helps assess local air quality impacts from sources such as transportation and industrial activities in the Merrimack Valley region. The facility's last reported sample date was August 31, 2025, indicating ongoing data collection. This monitoring station supports public health by tracking pollutant levels and informing regulatory decisions. Its location at a high school allows for representative sampling of the community's exposure. The data collected aids in compliance reporting and trend analysis for Massachusetts and the broader EPA network.

The Haverhill High School monitoring station is situated in a mixed residential and commercial area, providing representative data for population exposure. The site measures criteria pollutants such as ozone, particulate matter, and nitrogen dioxide, which are common in urban-influenced environments. Its location near transportation corridors and local industries helps capture emissions from mobile and stationary sources. The station's data contributes to regional air quality assessments and supports the EPA's network for tracking compliance with NAAQS.