Overview
Billings Lockwood is an operational air monitoring station in Billings, Montana, operated by the MT Dept of Environmental Quality. It provides ambient air quality data as part of the US EPA's national monitoring network.
Billings Lockwood is an air monitoring station located at 2320 Old Hardin Rd in Billings, Yellowstone County, Montana. Operated by the Montana Department of Environmental Quality's Air Quality Division, the station is part of the US EPA's Air Quality System (AQS) network, which monitors criteria pollutants and other parameters to assess regional air quality. The station reports to the EPA's AQS database, with the most recent sample date recorded as June 30, 2025. As a regulatory monitoring site, it likely measures pollutants such as PM2.5, PM10, ozone, sulfur dioxide, nitrogen dioxide, and carbon monoxide, following EPA siting criteria to ensure representativeness of population exposure. The station's location in Billings, the largest city in Montana, supports compliance with National Ambient Air Quality Standards (NAAQS). Environmental monitoring in this region is important due to Billings' industrial base, including oil refining and agriculture, which can contribute to particulate matter and ozone formation. The station's data helps inform public health advisories and state implementation plans for air quality management. Continuous operation ensures long-term trend analysis and regulatory compliance.
Environmental context
Billings Lockwood operates within the US EPA's AQS framework, which mandates monitoring of criteria pollutants to protect public health. The station's siting in a mixed urban-industrial area captures emissions from transportation, industry, and residential sources. Parameter coverage typically includes PM2.5, ozone, and nitrogen dioxide, with speciation and meteorological measurements depending on network design. Reporting continuity is maintained through quarterly data submissions to EPA's AQS database.
Frequently asked questions
Billings Lockwood is located at 2320 Old Hardin Rd in Billings, Yellowstone County, Montana, United States.
As part of the EPA AQS network, Billings Lockwood likely measures criteria pollutants such as PM2.5, PM10, ozone, sulfur dioxide, nitrogen dioxide, and carbon monoxide to assess ambient air quality.
The station is operated by the Montana Department of Environmental Quality's Air Quality Division, which reports data to the US EPA's Air Quality System.
Billings Lockwood operates under the US Clean Air Act and EPA regulations, including National Ambient Air Quality Standards (NAAQS) and the Air Quality System (AQS) monitoring network requirements.
Billings has industrial sources like oil refineries and agriculture, which can impact air quality. Monitoring helps protect public health and supports state implementation plans for meeting NAAQS.
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