Overview
Greeley - Weld County Tower is an operational air monitoring station in Greeley, Colorado, operated by the Colorado Department of Public Health and Environment. It contributes to the US EPA Air Quality System network.
Greeley - Weld County Tower is an air monitoring station located at 3101 35th Ave. in Greeley, Colorado. Operated by the Colorado Department of Public Health and Environment, it is part of the state's ambient air quality monitoring network, which supports the US EPA's Air Quality System (AQS). The station provides critical data on criteria pollutants to assess compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is September 30, 2025, indicating ongoing data collection. As a fixed-site monitor in an urban area, it likely measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and sulfur dioxide. The station's siting follows EPA guidelines to ensure representativeness of population exposure in the Greeley metropolitan area. Greeley is located in Weld County, a region with significant agricultural and industrial activity, including oil and gas operations. The monitoring station plays a key role in tracking air quality impacts from these sources and informing public health advisories. Data from this station supports regulatory compliance and community awareness efforts under the Clean Air Act.
Environmental context
The Greeley - Weld County Tower station monitors air quality in a region characterized by a mix of urban, agricultural, and industrial sources. Weld County has active oil and gas extraction, which can contribute to volatile organic compounds and ozone formation. The station's location near Greeley provides representative data for population exposure. Its operation under the Colorado Department of Public Health and Environment ensures adherence to EPA monitoring protocols, including siting criteria and quality assurance procedures. The station's parameter coverage likely includes criteria pollutants and possibly meteorological parameters, supporting both regulatory compliance and public health assessments.
Frequently asked questions
The station is located at 3101 35th Ave. in Greeley, Colorado, United States.
As a typical air monitoring station in the US EPA network, it likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, and carbon monoxide.
The station is operated by the Colorado Department of Public Health and Environment (CDPHE).
Air monitoring stations in the US operate under the Clean Air Act and are part of the EPA's Air Quality System (AQS) network, which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
The station provides continuous data on air pollutant concentrations, which is used to assess compliance with NAAQS, inform public health advisories, and support air quality management decisions in the Greeley area.
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