Overview
Calera (Closed) is an air monitoring station in Shelby County, Alabama, operated by the Alabama Department of Environmental Management. It contributes to the US EPA Air Quality System network for ambient air quality monitoring.
Calera (Closed) is an air monitoring station located at the 152nd Armory Building in Shelby County, Alabama, United States. The facility is operated by the Alabama Department of Environmental Management and is part of the national ambient air quality monitoring network under the US EPA Air Quality System (AQS). Its primary role is to measure criteria pollutants and support regulatory compliance with the Clean Air Act. The station operates within the framework of the US EPA's monitoring requirements, which include siting criteria for representativeness and data quality objectives. While specific parameters measured are not detailed, typical air monitoring stations in Alabama track pollutants such as ozone, particulate matter (PM2.5 and PM10), sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead. The station's location near a military armory and local roads suggests a focus on urban or industrial air quality impacts. As part of the Alabama monitoring network, Calera (Closed) provides critical data for assessing air quality trends, public health advisories, and state implementation plans for attaining National Ambient Air Quality Standards (NAAQS). Its operational status ensures continued contribution to regional air quality management and environmental protection efforts.
Environmental context
Shelby County, Alabama, experiences a humid subtropical climate with hot summers and mild winters, which can influence ozone formation and particulate matter concentrations. The area includes a mix of urban development, industrial activity, and transportation corridors, making air monitoring essential for assessing local pollution sources. The station's data supports the Alabama Department of Environmental Management in evaluating compliance with NAAQS and informing public health decisions.
Frequently asked questions
The Calera (Closed) air monitoring station is located at the 152nd Armory Building, 8th Ave at 13th Street, in Shelby County, Alabama, United States.
Typical air monitoring stations in Alabama measure criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead, as required by the US EPA.
The station is operated by the Alabama Department of Environmental Management (ADEM), which is responsible for air quality monitoring in the state.
The station operates under the US EPA's Air Quality System (AQS) and complies with the Clean Air Act, including National Ambient Air Quality Standards (NAAQS) and monitoring siting criteria.
Air monitoring in Shelby County helps assess local air quality impacts from urban development, industrial activities, and transportation, supporting public health advisories and state implementation plans for meeting federal air quality standards.
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