Ojo De Agua Air Monitoring Station, El Paso, Texas | United States Environmental Monitoring

Ojo De Agua is an air monitoring station located at 6767 Ojo De Agua in El Paso, Texas, United States. The station is part of the City of El Paso Environmental Services Department's monitoring network and supports the US EPA Air Quality System (AQS) program. As a fixed-site ambient air monitor, it plays a role in tracking criteria pollutants and other atmospheric parameters in the El Paso region. The station operates under the regulatory framework of the US Clean Air Act, with data reported to the EPA's AQS database. Typical air monitoring stations in this region measure pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. The station's siting follows EPA guidelines for representativeness, ensuring data reflects local air quality conditions. Environmental monitoring in El Paso is important due to the city's location in the Paso del Norte airshed, which experiences unique meteorological conditions and cross-border pollution influences. The data from Ojo De Agua supports public health advisories, regulatory compliance, and air quality management decisions. Continuous operation of such stations is vital for tracking long-term trends and protecting community health.

El Paso sits in the Chihuahuan Desert, with arid climate and frequent temperature inversions that can trap pollutants. The region faces air quality challenges from vehicle emissions, industrial activity along the US-Mexico border, and dust storms. Monitoring stations like Ojo De Agua provide critical data on ozone and particulate matter, helping to assess compliance with National Ambient Air Quality Standards (NAAQS) and inform local air quality management.