A420910013LAT/LON POINT IS OF CORNER OF TRAILER - Air Monitoring Station in Norristown, Pennsylvania

A420910013LAT/LON POINT IS OF CORNER OF TRAILER is an Air Monitoring Station located at the State Armory on Belvoir Road in Norristown, Montgomery County, Pennsylvania. This station is part of the United States' extensive ambient air quality monitoring network, which is regulated under the US EPA's Air Quality System (AQS). The facility is operated by the Pennsylvania Department of Environmental Protection and is currently operational. The station contributes to the collection of criteria pollutant data as mandated by the Clean Air Act. While specific parameters measured are not detailed, typical stations in this network monitor ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The siting follows EPA guidelines to ensure representativeness of local air quality, often placed in urban or suburban settings like Norristown to capture population exposure. Environmental monitoring stations like this one play a critical role in assessing compliance with National Ambient Air Quality Standards (NAAQS) and informing public health advisories. Data from this station supports regional air quality management and trend analysis in the Philadelphia metropolitan area, helping to protect community health and guide emission reduction strategies.

Norristown is located in the Philadelphia-Camden-Wilmington metropolitan area, a region with a mix of industrial, transportation, and urban emission sources. Air monitoring stations in this area focus on criteria pollutants such as ozone and PM2.5, which are of concern due to population density and traffic. The station's location at a state armory provides a secure site that meets EPA siting criteria for urban background monitoring, contributing to a network that tracks long-term air quality trends and regulatory compliance.