Overview
Gary-Madison St. is an operational air monitoring station in Gary, Indiana, operated under the Indiana Department of Environmental Management. It contributes to the US EPA's Air Quality System (AQS) network, tracking criteria pollutants to support pu
The Gary-Madison St. air monitoring station is located at 650 Madison St. in Gary, Indiana, within Lake County. Operated under the Indiana Department of Environmental Management's Office of Air Quality, this station is part of the broader US EPA Air Quality System (AQS) network, which monitors ambient air quality across the United States. The station's last reported sample date is September 30, 2024, indicating ongoing data collection. As an air monitoring station in the industrial Midwest, Gary-Madison St. likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, in accordance with the National Ambient Air Quality Standards (NAAQS). The station's siting in Gary, a city with historical industrial activity, supports representative monitoring of urban and industrial air quality impacts. The reporting agency, Indiana Department of Environmental Management, ensures data quality and compliance with EPA protocols. The station plays a critical role in tracking air quality trends in the Gary-Chicago metropolitan area, providing data used for public health advisories, regulatory enforcement, and research. Continuous operation supports long-term trend analysis and helps assess the effectiveness of emission reduction strategies. The data contributes to the EPA's AQS database, which informs policy decisions and community awareness.
Environmental context
Gary, Indiana, is located in the Chicago metropolitan area and has a history of heavy industry, including steel manufacturing and refining. Air monitoring in this region focuses on capturing pollutant gradients from industrial sources and urban emissions. The station's placement near residential and industrial zones helps assess exposure risks and compliance with NAAQS. Parameter coverage typically includes criteria pollutants, with potential for speciation monitoring to understand local pollution chemistry. Siting representativeness is crucial for accurate health impact assessments.
Frequently asked questions
The Gary-Madison St. air monitoring station is located at 650 Madison St. in Gary, Indiana, within Lake County, United States.
As part of the EPA AQS network, the station likely monitors criteria pollutants including ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, in accordance with NAAQS.
The station is operated under the Indiana Department of Environmental Management's Office of Air Quality, which reports data to the US EPA's Air Quality System.
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS). Stations must follow NAAQS for criteria pollutants and quality assurance procedures.
The station provides real-time and historical air quality data used for health advisories, regulatory compliance, and research, helping to protect communities from air pollution exposure.
Other Air Monitoring Station plants in United States · 6 nearby