Overview
Hidden Valley is an operational air monitoring station in Stanfield, Arizona, operated by Pinal County APCD. It contributes to the US EPA Air Quality System network, tracking criteria pollutants and supporting regional air quality management.
Hidden Valley is an air monitoring station located at 43750 W. Carefree Place in Stanfield, Arizona, within Pinal County. Operated by the Pinal County Air Pollution Control District (APCD), the station is part of the broader US EPA Air Quality System (AQS) network, which monitors ambient air quality across the United States. The station is currently operational and provides data that supports local and national air quality assessments. As part of the US EPA AQS network, Hidden Valley likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead, in accordance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date was December 31, 2022, indicating recent data collection. The Pinal County APCD is responsible for maintaining the station and ensuring data quality and reporting continuity. Hidden Valley serves a critical role in monitoring air quality in the rural and agricultural areas of Pinal County, Arizona. The data collected helps inform public health advisories, regulatory compliance, and regional air quality planning. By contributing to the national AQS database, the station supports long-term trend analysis and environmental research, benefiting both local communities and broader environmental monitoring efforts.
Environmental context
Hidden Valley operates in a region characterized by arid climate and agricultural activity, with potential air quality impacts from dust, agricultural burning, and transportation. The station's siting is representative of rural background conditions, providing valuable data for understanding regional air pollution transport and background concentrations. Monitoring criteria pollutants in such settings is essential for assessing compliance with NAAQS and for developing effective air quality management strategies.
Frequently asked questions
The Hidden Valley air monitoring station is located at 43750 W. Carefree Place in Stanfield, Arizona, within Pinal County, United States.
As part of the US EPA Air Quality System network, Hidden Valley likely measures criteria pollutants including ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead, in accordance with National Ambient Air Quality Standards.
The Hidden Valley air monitoring station is operated by the Pinal County Air Pollution Control District (APCD), which is responsible for data collection and quality assurance.
Air monitoring stations in the United States operate under the US EPA Air Quality System (AQS) network, which implements the National Ambient Air Quality Standards (NAAQS) as required by the Clean Air Act.
Air monitoring in Pinal County is important due to potential emissions from agricultural activities, dust, and transportation. Data from stations like Hidden Valley help assess compliance with air quality standards and protect public health.
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