Chester-222 First Ave Air Monitoring Station, Chester, California | Environmental Monitoring

Chester-222 First Ave is an air monitoring station located at 222 First Avenue in Chester, California, within Plumas County. Operated by the Northern Sierra Air Quality Management District (AQMD), this station 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 last reported sample date was February 29, 2020, indicating ongoing data collection. As a monitoring station in California, Chester-222 First Ave operates under the regulatory framework of the US Clean Air Act and the California Air Resources Board (CARB). The Northern Sierra AQMD is responsible for air quality management in a region characterized by diverse geography, including forested areas and mountainous terrain. Typical monitoring at such stations includes parameters like ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and meteorological data, though specific instrumentation may vary. The station serves a community in a rural area where air quality can be influenced by seasonal wildfires, wood burning, and transportation emissions. Its data contributes to regional air quality assessments, public health advisories, and regulatory compliance reporting. The station's location in Chester provides representative monitoring for the surrounding area, supporting local and state efforts to maintain healthy air quality standards.

Chester-222 First Ave monitors ambient air quality in a rural region of Northern California, where environmental concerns include seasonal wildfire smoke, residential wood burning, and emissions from vehicles and local industries. The station's data helps assess compliance with NAAQS and supports public health notifications. Parameter coverage typically includes criteria pollutants and meteorological conditions, with siting designed to represent community exposure. Reporting continuity through the Northern Sierra AQMD ensures data is available for regulatory and research purposes.