Overview
6O La Union is an operational air monitoring station in La Union, New Mexico, operated by the New Mexico Environment Department. It contributes to the US EPA Air Quality System network.
6O La Union is an air monitoring station located at 7048 McNutt in La Union, New Mexico, within Dona Ana County. It is part of the United States Environmental Protection Agency's (EPA) Air Quality System (AQS) network, which monitors ambient air quality across the country. The station is operated by the New Mexico Environment Department and remains operational as of its last reported sample date in September 2025. The station operates under the regulatory framework of the US EPA AQS, which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. While specific parameters measured at this site are not detailed, typical air monitoring stations in New Mexico track these pollutants to ensure compliance with National Ambient Air Quality Standards (NAAQS). The station's location in a rural area near the US-Mexico border may provide valuable data on regional air quality and cross-border pollution transport. As part of the broader environmental monitoring network in New Mexico, 6O La Union supports public health protection by providing data used for air quality index reporting and regulatory assessments. Its continued operation helps maintain the spatial coverage needed to characterize air quality in the southern part of the state, particularly in areas influenced by agricultural activities and transportation corridors.
Environmental context
The station is situated in the Mesilla Valley, a region with agricultural activity and proximity to the US-Mexico border. Air quality here can be affected by dust from farming, vehicle emissions from nearby highways, and potential industrial sources in the border region. Monitoring at this site helps assess compliance with NAAQS and provides data for regional air quality management, particularly for particulate matter and ozone, which are common concerns in the arid Southwest.
Frequently asked questions
6O La Union is located at 7048 McNutt in La Union, New Mexico, in Dona Ana County, near the US-Mexico border.
The station is operated by the New Mexico Environment Department (NMED), which manages air quality monitoring across the state.
Air monitoring stations in the US operate under the EPA's Air Quality System (AQS), which implements the Clean Air Act and National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
La Union is in a rural agricultural area near the border, where monitoring helps track regional air quality, assess cross-border pollution, and protect public health from dust and emissions.
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