Overview
San Juan Bautista is an operational air monitoring station in California, operated by the Monterey Bay Unified Air Pollution Control District. It provides ambient air quality data for the San Benito County region.
San Juan Bautista is an air monitoring station located at 100 Nyland Drive in San Juan Bautista, California, within San Benito County. Operated by the Monterey Bay Unified Air Pollution Control District, 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 is June 30, 2025, indicating ongoing data collection. As a component of California's extensive air monitoring infrastructure, this station likely measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and other species relevant to local air quality. The station's location in a semi-rural area near the coast provides representative data for the region, complementing urban monitors in nearby cities like Salinas and Monterey. The Monterey Bay Unified APCD oversees multiple stations to track air quality trends and support regulatory actions. The environmental significance of this station lies in its role in protecting public health and ecosystems in the Central Coast region. Data from San Juan Bautista helps assess regional air quality, identify pollution sources, and inform local air management strategies. Continuous monitoring supports the detection of exceedances and long-term trends, contributing to the broader goal of maintaining clean air for communities and natural areas.
Environmental context
The San Juan Bautista station operates within California's stringent air quality regulatory framework, which includes the California Air Resources Board (CARB) and local air districts. The station's siting in a mixed agricultural and residential area provides representative data for regional air quality assessments. Key parameters typically monitored include ozone, PM2.5, and PM10, which are critical for evaluating health impacts and compliance with state and federal standards. The station's data contributes to the EPA's AQS database, supporting air quality management and public reporting.
Frequently asked questions
The San Juan Bautista air monitoring station is located at 100 Nyland Drive, San Juan Bautista, California 95045, in San Benito County.
As part of the EPA AQS network, the station likely monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and other species relevant to local air quality.
The station is operated by the Monterey Bay Unified Air Pollution Control District (MBUAPCD), which manages air quality monitoring in the Monterey Bay region.
Air monitoring in California is governed by the federal Clean Air Act and National Ambient Air Quality Standards (NAAQS), implemented by the EPA and state agencies like the California Air Resources Board (CARB) and local air districts.
The station provides continuous ambient air quality data that helps assess compliance with standards, identify pollution trends, and inform public health advisories and emission reduction strategies.
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