Overview
Calexico-Ethel Street is an operational air monitoring station in Calexico, California, operated by the California Air Resources Board. It provides ambient air quality data for the Imperial County region.
Calexico-Ethel Street is an air monitoring station located at Calexico High School in Calexico, California, United States. It is part of the California Air Resources Board's monitoring network, which supports federal and state air quality programs. The station contributes to the US EPA's Air Quality System (AQS) by measuring criteria pollutants and other parameters. The station operates under the regulatory framework of the US Clean Air Act and California's stringent air quality standards. It is situated in Imperial County, a region near the US-Mexico border with unique air quality challenges, including agricultural dust and cross-border emissions. The station's siting at a school provides representative data for community exposure. As part of the California Air Resources Board network, Calexico-Ethel Street plays a key role in tracking air quality trends and informing public health advisories. Its data supports regulatory compliance and research on air pollution in the border region, contributing to broader environmental monitoring efforts in the United States.
Environmental context
The Calexico-Ethel Street station monitors ambient air quality in a region influenced by agricultural activities, vehicular emissions, and cross-border pollution from Mexicali, Mexico. Imperial County experiences high ozone and particulate matter levels, making continuous monitoring essential for public health. The station's data helps assess compliance with National Ambient Air Quality Standards (NAAQS) and supports local air quality management.
Frequently asked questions
The station is located at 1029 Ethel Street, Calexico High School, in Calexico, California, United States.
As part of the California Air Resources Board network, it measures criteria pollutants such as ozone, particulate matter, and other parameters to assess ambient air quality.
The station is operated by the California Air Resources Board (CARB), which manages a statewide network of air monitoring stations.
Air monitoring in California follows the US Clean Air Act and state-specific standards set by CARB, with data reported to the US EPA's Air Quality System (AQS).
Imperial County faces air quality challenges from agricultural dust, vehicle emissions, and cross-border pollution, making monitoring critical for public health and regulatory compliance.
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