Overview
TEMPE is an operational air monitoring station in Tempe, Arizona, operated by Maricopa County Air Quality. It contributes to the US EPA AQS network, tracking criteria pollutants and supporting local air quality management.
TEMPE is an air monitoring station located at 1525 S College Ave in Tempe, Arizona, within Maricopa County. Operated by Maricopa County Air Quality, this station is part of the broader US EPA Air Quality System (AQS) network, which monitors ambient air pollution across the United States. The station's location in a suburban area of the Phoenix metropolitan region provides representative data for population exposure assessment. The station operates under the regulatory framework of the US Clean Air Act, with monitoring protocols aligned with EPA reference methods. As part of the Maricopa County network, it likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. The last reported sample date is September 30, 2025, indicating recent and ongoing data collection. The station's siting follows EPA guidelines for spatial representativeness, ensuring data quality for regulatory compliance and public health advisories. TEMPE plays a key role in the regional air quality monitoring network, supporting the Maricopa County Air Quality Department's efforts to assess compliance with National Ambient Air Quality Standards (NAAQS). The data collected helps inform local air quality forecasts, health warnings, and long-term trend analysis. This station contributes to the community's understanding of air pollution patterns in the rapidly growing Phoenix area, aiding in the development of effective emission reduction strategies.
Environmental context
The Tempe air monitoring station operates in the Sonoran Desert climate of central Arizona, where high temperatures and frequent inversions can exacerbate ozone and particulate matter pollution. The Phoenix metropolitan area, including Tempe, faces challenges with ground-level ozone and PM2.5, particularly during summer months. The station's data supports the Maricopa County Air Quality Department's compliance with EPA NAAQS and helps track the effectiveness of regional emission control programs, such as those targeting vehicle emissions and industrial sources.
Frequently asked questions
The TEMPE air monitoring station is located at 1525 S College Ave, Tempe, Arizona, in Maricopa County, United States.
As part of the Maricopa County Air Quality network, the TEMPE station likely monitors criteria pollutants including ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide, following EPA protocols.
The TEMPE station is operated by the Maricopa County Air Quality Department, which reports data to the US EPA Air Quality System (AQS).
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS) network. Stations follow EPA reference methods for sampling and analysis to ensure compliance with National Ambient Air Quality Standards (NAAQS).
The TEMPE station provides real-time and historical data on air pollutant concentrations, which supports air quality forecasting, public health advisories, and assessment of emission reduction strategies in the Phoenix metropolitan area.
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