Overview
Arroyo Grande-Ralcoa is an air monitoring station in Arroyo Grande, California, operated by the San Luis Obispo County APCD. It monitors ambient air quality as part of the US EPA AQS network.
Arroyo Grande-Ralcoa is an air monitoring station located in Arroyo Grande, California, United States. It is operated by the San Luis Obispo County Air Pollution Control District (APCD) and contributes to the national ambient air quality monitoring network under the US EPA's Air Quality System (AQS). The station is situated in a residential and agricultural area, providing representative data for the local community. As part of the US EPA AQS network, the station typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The specific parameters measured at this site are not detailed, but the station's location in San Luis Obispo County supports regional air quality management and compliance with National Ambient Air Quality Standards (NAAQS). The station follows EPA-approved methods for sample collection and analysis, ensuring data quality and comparability. The environmental significance of Arroyo Grande-Ralcoa lies in its role in tracking air pollution trends in California's Central Coast region. Data from this station helps inform public health advisories, regulatory actions, and research on air quality impacts from local sources such as agriculture, transportation, and wildfires. The station's long-term operation supports the assessment of air quality improvements over time.
Environmental context
Arroyo Grande-Ralcoa operates within California's Central Coast, an area influenced by agricultural emissions, vehicle traffic, and seasonal wildfires. The station's siting is representative of suburban and rural exposure, providing data on ozone and particulate matter that are key concerns in the region. Its inclusion in the EPA AQS network ensures standardized monitoring and reporting, supporting compliance with NAAQS and regional air quality planning.
Frequently asked questions
The Arroyo Grande-Ralcoa air monitoring station is located at 000 Ralcoa Way, Arroyo Grande, California, United States.
As part of the US EPA AQS network, the station typically monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead.
The station is operated by the San Luis Obispo County Air Pollution Control District (APCD).
The US EPA Air Quality System (AQS) is the national database for ambient air pollution data from thousands of monitoring stations across the United States, used to enforce the Clean Air Act and National Ambient Air Quality Standards (NAAQS).
Air monitoring provides data on pollutant levels, helping local authorities issue health advisories, assess compliance with air quality standards, and develop strategies to reduce pollution from sources like traffic and agriculture.
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