Overview
Visalia-Church is an operational air monitoring station in Visalia, California, operated under the California Air Resources Board. It contributes to the US EPA Air Quality System network, tracking criteria pollutants in the San Joaquin Valley.
Visalia-Church is an air monitoring station located at 310 N Church St in Visalia, California, within Tulare County. Operated under the California Air Resources Board, it is part of the broader US EPA Air Quality System (AQS) network that monitors ambient air quality across the United States. The station serves the San Joaquin Valley, a region with significant agricultural and industrial activity. The station's last reported sample date is December 31, 2021, indicating recent operational status. As an AQS site, it typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide, in accordance with National Ambient Air Quality Standards (NAAQS). The California Air Resources Board ensures compliance with state and federal regulations, including the California Clean Air Act. Environmental monitoring in Visalia is critical due to the region's air quality challenges, including high ozone and particulate matter levels from agricultural burning, vehicle emissions, and geographic trapping in the valley. Data from Visalia-Church supports public health advisories, regulatory planning, and attainment status assessments for the San Joaquin Valley Air Basin.
Environmental context
The San Joaquin Valley experiences some of the worst air quality in the United States, driven by a combination of agricultural emissions, industrial sources, and geographic conditions that trap pollutants. Monitoring stations like Visalia-Church are essential for tracking ozone and particulate matter, which are linked to respiratory and cardiovascular health issues. The station's data contributes to the EPA's AQS database, supporting regulatory compliance and public health interventions.
Frequently asked questions
The Visalia-Church air monitoring station is located at 310 N Church St, Visalia, California, in Tulare County, United States.
As part of the EPA Air Quality System, the station typically measures criteria pollutants including ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide.
The station is operated under the California Air Resources Board, which oversees air quality monitoring and regulation in California.
Monitoring stations in California must comply with the federal Clean Air Act and National Ambient Air Quality Standards (NAAQS), as well as the California Clean Air Act, which sets additional state-specific standards.
Visalia is in the San Joaquin Valley, a region with poor air quality due to agricultural emissions, vehicle traffic, and geographic trapping. Monitoring supports public health advisories and regulatory efforts to reduce pollution.
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