Overview
South Lake Tahoe-Sandy Way is an operational air monitoring station in South Lake Tahoe, California, managed by the California Air Resources Board. It contributes to the US EPA Air Quality System network.
South Lake Tahoe-Sandy Way is an air monitoring station located at 3337 Sandy Way in South Lake Tahoe, California, within El Dorado County. Operated by the California Air Resources Board, it is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other parameters to assess ambient air quality. The station operates under the regulatory framework of the US Clean Air Act and the National Ambient Air Quality Standards (NAAQS). It provides continuous monitoring data that supports air quality management and public health advisories in the Lake Tahoe region. The station's last reported sample date is July 31, 2025, indicating recent active reporting. As a monitoring site in a mountain resort area, South Lake Tahoe-Sandy Way plays a key role in tracking air quality impacts from local sources such as traffic and wood smoke, as well as regional transport of pollutants. Its data helps inform regulatory compliance and community exposure assessments in the Sierra Nevada region.
Environmental context
The South Lake Tahoe area experiences air quality challenges from wintertime inversions that trap wood smoke and vehicle emissions, as well as summer ozone from regional transport. The station's location near residential areas and highways provides representative monitoring for population exposure. Its parameter coverage typically includes PM2.5, ozone, and meteorological data, supporting both NAAQS compliance and local health studies.
Frequently asked questions
The station is located at 3337 Sandy Way, South Lake Tahoe, California, in El Dorado County.
The station is operated by the California Air Resources Board (CARB), which reports data to the US EPA Air Quality System.
The station provides data for compliance with the National Ambient Air Quality Standards (NAAQS) under the Clean Air Act, helping to assess regional air quality and inform public health advisories.
The Lake Tahoe area faces unique air quality issues from winter inversions trapping wood smoke and vehicle emissions, as well as summer ozone. Monitoring stations like this one track these pollutants to protect public health and the environment.
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