Overview
South Broadway is an operational air monitoring station in St. Louis, Missouri, operated under the Missouri Laboratory Services Program. It provides ambient air quality data as part of the US EPA Air Quality System network.
South Broadway is an air monitoring station located at 8227 South Broadway in St. Louis, Missouri. It is part of the United States Environmental Protection Agency's (EPA) Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to ensure compliance with National Ambient Air Quality Standards (NAAQS). The station is operated by the Missouri Laboratory Services Program and remains operational as of its last sample date in May 2025. The station's technical specifications include continuous monitoring of ambient air quality, with data reported to the EPA's AQS database. While specific parameters measured are not detailed, typical urban monitoring stations in Missouri track pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's siting in a residential-industrial area of St. Louis provides representative data for population exposure assessment. South Broadway contributes to the regional air quality monitoring network in the St. Louis metropolitan area, which is designated as a moderate nonattainment area for ozone under the Clean Air Act. The data collected supports regulatory compliance, public health advisories, and air quality trend analysis. The station's long-term operation ensures continuity in the historical air quality record for the region.
Environmental context
The South Broadway station is situated in a mixed residential and industrial area of St. Louis, Missouri, where air quality is influenced by local emissions from transportation, manufacturing, and energy production. The station's monitoring of criteria pollutants helps assess compliance with NAAQS and supports the EPA's AQS network. Its location provides representative data for population exposure, particularly in communities near industrial corridors. The station's continuous operation contributes to long-term trend analysis and regulatory decision-making for the St. Louis nonattainment area.
Frequently asked questions
The South Broadway air monitoring station is located at 8227 South Broadway in St. Louis, Missouri, United States.
Typical urban air monitoring stations in Missouri measure criteria pollutants such as ozone, particulate matter, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead.
The station is operated by the Missouri Laboratory Services Program, which reports data to the US EPA's 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, which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
The station provides continuous ambient air quality data that supports regulatory compliance, public health advisories, and trend analysis for the St. Louis metropolitan area.
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