Overview
North Hollywood (NOHO) is an air monitoring station in Los Angeles, California, operated by the South Coast Air Quality Management District. It provides continuous ambient air quality data as part of the US EPA Air Quality System network.
North Hollywood (NOHO) is an air monitoring station located at 10659 W. Delano Street in Los Angeles, California. It is part of the extensive monitoring network managed by the South Coast Air Quality Management District (SCAQMD), which oversees air quality in the South Coast Air Basin. The station is operational and contributes to the US EPA's Air Quality System (AQS), a national repository for ambient air quality data. The station operates under the regulatory framework of the US Clean Air Act, with monitoring protocols aligned with EPA reference methods. As part of SCAQMD's network, it likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and carbon monoxide, along with meteorological parameters. The data supports compliance with National Ambient Air Quality Standards (NAAQS) and informs public health advisories. Located in the densely populated San Fernando Valley, the station plays a critical role in characterizing air pollution exposure for millions of residents. Its data helps track progress toward attainment of federal standards and supports regional air quality management strategies. The station's long-term operation ensures continuity of records essential for trend analysis and policy evaluation.
Environmental context
The North Hollywood station is situated in the Los Angeles Basin, an area known for persistent photochemical smog and high ozone levels due to vehicle emissions and geographic trapping. Monitoring at this site captures pollutant gradients influenced by urban sources, including traffic corridors and industrial activities. The station's representativeness is key for assessing population exposure and compliance with NAAQS. Parameter coverage typically includes criteria pollutants and meteorological variables, supporting both regulatory reporting and public information.
Frequently asked questions
The station is located at 10659 W. Delano Street in Los Angeles, California, within the San Fernando Valley region.
As part of the SCAQMD network, it typically monitors criteria pollutants such as ozone, PM2.5, PM10, nitrogen dioxide, and carbon monoxide, along with meteorological parameters.
The station is operated by the South Coast Air Quality Management District (SCAQMD), the regional agency responsible for air quality in the South Coast Air Basin.
Data from the station is reported to the US EPA's Air Quality System (AQS) and used to assess compliance with National Ambient Air Quality Standards (NAAQS) under the Clean Air Act.
Los Angeles has historically faced severe air pollution challenges, and monitoring stations like North Hollywood provide critical data for public health advisories, emission reduction strategies, and long-term trend analysis.
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