Overview
Pomona Air Monitoring Station in Pomona, California, is an operational station under the South Coast Air Quality Management District, providing ambient air quality data for the Los Angeles region.
Pomona is an air monitoring station located at 924 N. Garey Ave., Pomona, California, within Los Angeles County. Operated by the South Coast Air Quality Management District (SCAQMD), it is part of the broader US EPA Air Quality System (AQS) network that monitors criteria pollutants and other parameters to assess regional air quality. The station operates under the regulatory framework of the US Clean Air Act, with SCAQMD overseeing compliance in the South Coast Air Basin. Typical monitoring at such stations includes ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's last reported sample date is September 30, 2025, indicating ongoing data collection. Pomona's location in the densely populated Los Angeles Basin makes it significant for tracking air pollution trends in a region with high traffic and industrial emissions. Data from this station supports public health advisories, regulatory compliance, and research on air quality improvement strategies.
Environmental context
The Pomona station is situated in the South Coast Air Basin, an area with historically high levels of ozone and particulate matter due to vehicle emissions, industrial activity, and geographic conditions that trap pollutants. Monitoring here helps assess the effectiveness of emission reduction programs and provides data for the EPA's AQS network, which supports regulatory decisions and public health alerts.
Frequently asked questions
The Pomona Air Monitoring Station is located at 924 N. Garey Ave., Pomona, California, United States.
As part of the South Coast Air Quality Management District 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 station is operated by the South Coast Air Quality Management District (SCAQMD), the regulatory agency responsible for air quality in the South Coast Air Basin.
Air monitoring in the United States is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS) network, which sets standards for criteria pollutants and monitoring methods.
Pomona is in the Los Angeles Basin, an area with significant air pollution challenges from traffic and industry. Monitoring provides data for public health alerts, regulatory compliance, and tracking progress toward cleaner air.
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