DUDLEY SQUARE ROXBURY Air Monitoring Station, Boston, Massachusetts | Environmental Monitoring

DUDLEY SQUARE ROXBURY is an Air Monitoring Station located on Harrison Ave in the Roxbury neighborhood of Boston, Massachusetts, United States. It operates under the National Air Toxics Trends Stations (NATTS) network, which focuses on monitoring hazardous air pollutants (HAPs) to assess long-term trends and support regulatory actions under the Clean Air Act. The station is operated by Eastern Research Group and reports data to the US EPA. As part of the NATTS network, it measures a range of toxic air pollutants, including volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), and metals. The most recent sample date is June 30, 2025, indicating ongoing operations. The station's urban location in a densely populated area provides representative data for population exposure assessments. This monitoring station contributes to the broader US EPA Air Quality System (AQS) network, which supports compliance with National Ambient Air Quality Standards (NAAQS) and informs public health advisories. Its data helps track emission reduction efforts and supports environmental justice initiatives in the Boston metropolitan area.

The station is situated in an urban environment with mixed residential, commercial, and industrial sources, including traffic emissions and local businesses. Its location in Roxbury, a historically underserved community, makes it valuable for assessing environmental justice concerns related to air toxics. The NATTS network focuses on long-term trends of hazardous air pollutants, complementing criteria pollutant monitoring by the EPA. The station's data supports the Clean Air Act's risk assessment and management programs.