SIU DENTAL CLINIC Air Monitoring Station, Alton, Illinois | United States

SIU DENTAL CLINIC is an Air Monitoring Station located at 1700 ANNEX ST. in Alton, Illinois, United States. This operational facility is part of the Illinois Environmental Protection Agency's ambient air monitoring network, contributing to the state's air quality surveillance efforts. As a fixed-site monitoring station, it plays a role in assessing pollutant levels in the Madison County area. The station operates under the regulatory framework of the U.S. EPA's Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. Monitoring stations like this one are essential for compliance with the Clean Air Act and for providing data used in air quality index (AQI) reporting. The Illinois EPA manages a network of stations to ensure representative siting and continuous data collection. Environmental monitoring at this location supports public health protection by tracking air pollution trends and informing regulatory decisions. The data collected helps identify areas needing emission reductions and contributes to regional air quality management. This station's ongoing operation underscores the importance of localized monitoring in maintaining air quality standards.

The Alton area, situated along the Mississippi River in southwestern Illinois, experiences a mix of urban and industrial influences. Air monitoring in this region focuses on criteria pollutants from transportation, industrial facilities, and regional sources. The station's siting is designed to capture representative ambient conditions, supporting the Illinois EPA's goal of protecting public health and the environment through continuous air quality surveillance.