Quincy-N Church Street Air Monitoring Station, Quincy, California | US Environmental Monitoring

Quincy-N Church Street is an air monitoring station located at 267 N. Church Street in Quincy, California, within Plumas County. The station is operational and reports to the California Air Resources Board, forming part of the broader US EPA Air Quality System (AQS) network that monitors ambient air quality across the United States. The station operates under the regulatory framework of the US Clean Air Act, which mandates monitoring of criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. As part of the California Air Resources Board network, it likely measures key pollutants to assess compliance with National Ambient Air Quality Standards (NAAQS) and support regional air quality management. Located in the Sierra Nevada region, Quincy-N Church Street provides valuable data on air quality in a rural mountainous area. This monitoring helps track the impact of local sources like wildfires and wood burning, as well as long-range transport of pollutants. The data supports public health advisories and informs regulatory decisions for the region.

The station's location in Quincy, California, at an elevation of about 3,400 feet in the Sierra Nevada, provides representative monitoring for a rural mountainous environment. Key environmental concerns include seasonal wildfire smoke, residential wood burning, and occasional inversions trapping pollutants. The station's siting is typical for assessing regional background air quality and compliance with NAAQS.