Overview
Fresno - Garland is an air monitoring station in Fresno, California, operated by the California Air Resources Board. It provides ambient air quality data as part of the US EPA Air Quality System network.
Fresno - Garland is an air monitoring station located at 3727 N First Street in Fresno, California. Operated by the California Air Resources Board, it is part of the extensive US EPA Air Quality System (AQS) network that monitors criteria pollutants and other atmospheric parameters across the United States. The station serves the Fresno metropolitan area, a region with significant air quality challenges due to its geography and pollution sources. The station collects ambient air samples and reports data to the AQS, which supports regulatory compliance with the Clean Air Act. Typical monitoring at such stations includes ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The California Air Resources Board ensures that monitoring follows EPA-approved methods and quality assurance protocols. The station's last reported sample date is January 1, 2025, indicating ongoing operations. Fresno - Garland contributes to understanding air quality in California's San Joaquin Valley, an area known for high ozone and particulate matter levels. Data from this station helps inform public health advisories, emission reduction strategies, and attainment status for National Ambient Air Quality Standards. The station's long-term record supports trend analysis and policy evaluation for improving regional air quality.
Environmental context
Fresno - Garland operates in the San Joaquin Valley, a region with some of the highest ozone and particulate matter levels in the United States. The valley's geography traps pollutants from agriculture, transportation, and industry. Monitoring stations like this one are critical for tracking compliance with EPA standards and for issuing air quality alerts. The station's siting is representative of urban exposure, capturing emissions from nearby roads and residential areas.
Frequently asked questions
Fresno - Garland is located at 3727 N First Street in Fresno, California, United States.
As part of the EPA Air Quality System, Fresno - Garland 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 California Air Resources Board (CARB), which is responsible for air quality monitoring and regulation in California.
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS) network, which sets standards for monitoring methods, quality assurance, and data reporting.
Fresno is in the San Joaquin Valley, a region with severe air quality issues due to geography and pollution sources. Monitoring helps track compliance with health standards and supports public health advisories.
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