Washakie Air Monitoring Station, Portage, Utah | US Environmental Monitoring

Washakie is an air monitoring station located at 8600 West 24000 North in Portage, Utah, within Box Elder County. Operated by the Northwestern Band of Shoshoni Nation of Utah, this facility is part of the broader US EPA Air Quality System (AQS) network, contributing to national ambient air quality monitoring efforts. The station reports data to the Northwestern Band of Shoshoni Nation, with the most recent sample collected on November 1, 2025. As a tribal-operated monitoring site, it plays a key role in assessing air quality in rural northern Utah, complementing state and federal networks. Typical monitoring parameters at such stations include criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), and meteorological data, though specific parameters measured at Washakie are not detailed. Environmental monitoring in this area is important due to the region's agricultural activities and proximity to the Great Salt Lake, which can influence local air quality through dust and emissions. The station supports community health and regulatory compliance under the Clean Air Act, providing data used for air quality index reporting and public health advisories.

The Washakie monitoring station is situated in a rural agricultural area of northern Utah, near the Great Salt Lake. Local air quality can be affected by agricultural dust, livestock emissions, and wind-blown dust from dry lake beds. Monitoring helps track particulate matter and ozone levels, which are relevant for public health and compliance with National Ambient Air Quality Standards (NAAQS). The station's siting provides representative data for the region's airshed.