York DW Air Monitoring Station, York County, Pennsylvania

York DW is an air monitoring station located at 2650 Delta Road in York County, Pennsylvania, United States. Operated by the Pennsylvania Department of Environmental Protection, this facility is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to ensure compliance with National Ambient Air Quality Standards (NAAQS). The station's location in a rural area provides representative background air quality data for the region. The station is operational and reported its last sample date as June 30, 2025, indicating ongoing data collection. While specific parameters measured are not detailed, typical air monitoring stations in Pennsylvania track pollutants such as ozone, particulate matter (PM2.5 and PM10), sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead. The station likely follows EPA-approved methods for sampling and analysis, contributing to the state's air quality management and public health protection. York DW plays a role in characterizing air quality in south-central Pennsylvania, an area influenced by both local sources and regional transport. The data supports regulatory compliance, health advisories, and research on atmospheric trends. As part of the AQS network, its measurements help inform policy decisions and community awareness regarding air quality.

The station's siting in a non-urban area of York County provides baseline air quality data away from direct industrial or traffic emissions. This representativeness is crucial for assessing regional background pollution and long-term trends. The Pennsylvania Department of Environmental Protection operates a network of stations to meet EPA monitoring requirements, ensuring coverage of criteria pollutants and supporting the state's State Implementation Plan for air quality.