Overview
Mammoth Lakes Air Monitoring Station in California, operated by Great Basin Unified APCD, monitors ambient air quality in the Eastern Sierra region. The station provides data for regulatory compliance and public health protection.
Mammoth Lakes Air Monitoring Station is an operational air quality monitoring facility located in Mammoth Lakes, Mono County, California, United States. It is part of the broader network managed by the Great Basin Unified Air Pollution Control District (APCD), which oversees air quality in the Great Basin region of California. The station sits at the corner of Old Mammoth Road and Highway 203, a strategic location for capturing air quality data influenced by local sources and regional transport. The station operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA) Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, nitrogen dioxide, sulfur dioxide, and lead. As an air monitoring station, it likely measures one or more of these pollutants using federal reference methods or equivalent technologies. The Great Basin Unified APCD reports data to the EPA, contributing to the national air quality database used for compliance with the Clean Air Act. This station serves the Mammoth Lakes community, a popular tourist destination in the Sierra Nevada mountains. Its data helps assess air quality impacts from local sources such as vehicle emissions, wood burning, and occasional wildfire smoke. The monitoring supports public health advisories and informs regional air quality management strategies. Continued operation ensures long-term trend analysis and protection of both residents and visitors in this high-altitude environment.
Environmental context
The Mammoth Lakes area is situated in the Eastern Sierra Nevada at an elevation of approximately 8,000 feet, characterized by alpine climate and seasonal tourism. Air quality here can be affected by winter inversions trapping pollutants from wood stoves and vehicles, as well as summer wildfire smoke from regional fires. The monitoring station's location near a major highway (US 395) and local roads provides representative sampling of urban-influenced air. Parameter coverage typically includes ozone and particulate matter (PM2.5 and PM10), which are critical for assessing both health risks and visibility impacts in this scenic region. Siting follows EPA guidelines to ensure data representativeness for population exposure.
Frequently asked questions
The station is located at the corner of Old Mammoth Road and Highway 203 in Mammoth Lakes, Mono County, California, United States.
As an EPA AQS station, it likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, nitrogen dioxide, sulfur dioxide, and lead, depending on the specific monitoring objectives.
The station is operated by the Great Basin Unified Air Pollution Control District (APCD), which is responsible for air quality management in the Great Basin region of California.
Air monitoring stations in the U.S. operate under the EPA's Air Quality System (AQS) network, which implements the Clean Air Act. Stations must follow federal reference methods for measuring criteria pollutants and report data to EPA for compliance and public dissemination.
Mammoth Lakes is a high-altitude tourist destination where air quality can be impacted by wood burning, vehicle emissions, and wildfire smoke. Monitoring provides data for health advisories, regulatory compliance, and long-term trend analysis to protect residents and visitors.
Other Air Monitoring Station plants in United States · 6 nearby