Overview
22ND & ALVERNON is an operational air monitoring station in Tucson, Arizona, managed by the Pima County Department of Environmental Quality. It contributes to local ambient air quality surveillance under the US EPA AQS network.
22ND & ALVERNON is an air monitoring station located in Tucson, Arizona, within Pima County. It is part of the United States Environmental Protection Agency's Air Quality System (AQS) network, which supports compliance with the Clean Air Act. The station is operated by the Pima County Department of Environmental Quality and provides continuous data on ambient air pollutants. The station measures criteria pollutants and other parameters as part of a regional monitoring strategy. In Arizona, air monitoring stations like this one are crucial for assessing compliance with National Ambient Air Quality Standards (NAAQS). The data collected supports public health advisories and regulatory decisions. Typical instrumentation includes federal reference or equivalent methods for pollutants such as ozone, particulate matter, and nitrogen dioxide. This station serves the Tucson metropolitan area, providing representative air quality data for a region with a mix of urban, industrial, and desert environments. Its long-term operation ensures continuity in trend analysis and helps inform local air quality management. The station's location at 22nd Street and Alvernon Way captures emissions from transportation and nearby sources, contributing to community health protection.
Environmental context
Tucson's air quality is influenced by vehicle emissions, dust from arid conditions, and seasonal wildfires. The 22ND & ALVERNON station monitors criteria pollutants to assess compliance with NAAQS. Its siting is representative of urban exposure, capturing traffic-related pollutants. The station's data supports the Pima County Department of Environmental Quality in issuing air quality alerts and developing emission reduction strategies. Continuous operation ensures reliable trend data for long-term environmental planning.
Frequently asked questions
The station is located at the intersection of 22nd Street and Alvernon Way in Tucson, Arizona, within Pima County.
As part of the EPA AQS network, the station monitors criteria pollutants such as ozone, particulate matter, and nitrogen dioxide, among others, to assess compliance with NAAQS.
The station is operated by the Pima County Department of Environmental Quality, which manages local air quality monitoring and reporting.
The station provides data used to determine attainment status with National Ambient Air Quality Standards (NAAQS) under the Clean Air Act, supporting state implementation plans.
Arizona's air monitoring network tracks pollutants from urban, industrial, and natural sources, helping to protect public health and inform air quality management decisions in a region prone to dust and ozone exceedances.
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