Overview
Lancaster - Fairgrounds is an operational air monitoring station in Lancaster, California, operated by Antelope Valley APCD. It provides ambient air quality data for the region.
Lancaster - Fairgrounds is an air monitoring station located at 2551 W. Avenue H in Lancaster, California, within Los Angeles County. Operated by the Antelope Valley Air Pollution Control District (APCD), this station 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 reports data to the Antelope Valley APCD, with the most recent sample date recorded as August 31, 2025. As a fixed-site monitor, it typically measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and other criteria pollutants in compliance with the Clean Air Act and National Ambient Air Quality Standards (NAAQS). The station's location in Lancaster, a city in the high desert of Southern California, provides representative data for the Antelope Valley region. This monitoring station supports public health by tracking air quality trends and informing regulatory decisions. Its data contributes to the EPA's AQS database, which is used for compliance determinations, health studies, and community awareness. The station's ongoing operation ensures continuity of long-term air quality records essential for evaluating pollution control strategies and protecting vulnerable populations in the area.
Environmental context
The Antelope Valley region experiences unique air quality challenges due to its geography and climate, including high ozone levels driven by precursor emissions from the Los Angeles basin transported inland. The Lancaster - Fairgrounds station monitors criteria pollutants and meteorological parameters to assess compliance with NAAQS. Its siting in a suburban area provides representative data for population exposure, while the long-term record supports trend analysis and regulatory planning under the California Clean Air Act.
Frequently asked questions
The station is located at 2551 W. Avenue H in Lancaster, California, within Los Angeles County.
As part of the EPA AQS network, it typically monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and others, though specific parameters are determined by the Antelope Valley APCD.
The station is operated by the Antelope Valley Air Pollution Control District (APCD).
Air monitoring stations in the US operate under the Clean Air Act and follow EPA's Air Quality System (AQS) standards, including National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
Its data supports compliance assessments, health studies, and public awareness, helping to track trends and evaluate pollution control strategies in the Antelope Valley region.
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