Penn State Ozone Monitoring Site: Air Monitoring Station in Tioga, Pennsylvania

The Penn State Ozone Monitoring Site is an air monitoring station located in Tioga County, Pennsylvania, United States. Operated under the oversight of the Pennsylvania Department of Environmental Protection, this facility is part of the national network that tracks ambient ozone levels to ensure compliance with the Clean Air Act. As a specialized ozone monitoring site, it plays a role in the broader US EPA Air Quality System (AQS), which collects and manages air quality data across the country. The station's primary function is to measure ground-level ozone concentrations, a criteria pollutant regulated under the National Ambient Air Quality Standards (NAAQS). Ozone monitoring sites like this one use federal reference or equivalent methods to provide accurate, continuous data. The site's location in a rural area of Tioga County helps characterize regional background ozone levels and transport patterns, complementing urban monitoring stations. Data from this site supports air quality assessments, health advisories, and regulatory decisions. Environmental monitoring at this site is significant for understanding ozone pollution in the northeastern United States. Ozone can affect respiratory health and vegetation, and rural sites help distinguish local emissions from transported pollution. The data contributes to state implementation plans for attaining ozone standards and to research on long-term trends. By maintaining continuous operation, the site supports the public's right to know about air quality and helps guide policy for cleaner air.

The Penn State Ozone Monitoring Site operates within the regulatory framework of the US EPA Air Quality System, which mandates monitoring for criteria pollutants including ozone. Its rural siting in Tioga County provides representative data for regional background ozone levels, influenced by transported emissions from urban and industrial areas. This context is crucial for understanding ozone formation and transport in the northeastern US, where seasonal ozone episodes can occur. The site's data supports compliance with the National Ambient Air Quality Standards and informs public health advisories.