Pendleton - McKay Creek (PMC) Air Monitoring Station, Pendleton, Oregon

Pendleton - McKay Creek (PMC) is an air monitoring station located at 3745 SW Marshal Place in Pendleton, Oregon, United States. Operated by the Oregon Department of Environmental Quality, the station is part of the state's ambient air quality monitoring network, which supports compliance with the Clean Air Act and National Ambient Air Quality Standards (NAAQS). The station collects air quality data to track criteria pollutants and other parameters, contributing to the U.S. EPA's Air Quality System (AQS). As a regulatory monitoring site, it follows EPA siting criteria to ensure representativeness of local air quality. The station's last reported sample date is June 30, 2025, indicating ongoing operation. Pendleton is located in Umatilla County in northeastern Oregon, an area with agricultural and industrial activities. The station's data helps assess regional air quality trends and supports public health protection. Its role in the state network is vital for understanding pollution patterns in the Columbia River Basin.

Pendleton - McKay Creek (PMC) operates within Oregon's air monitoring network, which follows U.S. EPA guidelines for siting and parameter coverage. The station likely measures criteria pollutants such as PM2.5, PM10, ozone, and nitrogen dioxide, as typical for state networks. Its location in Pendleton provides data representative of a semi-rural area influenced by agriculture and transportation. The station's reporting continuity supports long-term trend analysis for the region.