Overview
Orchard Farm is an air monitoring station in St. Charles, Missouri, operated under the Missouri Laboratory Services Program. It provides ambient air quality data as part of the US EPA Air Quality System network.
Orchard Farm is an air monitoring station located at 2165 Highway V in St. Charles, Missouri, within Saint Charles County. The station is operational and reports to the Missouri Laboratory Services Program, contributing to the US EPA's Air Quality System (AQS) network. As a fixed-site monitor, it plays a role in assessing regional air quality and compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is May 31, 2025, indicating recent data collection. While specific parameters measured are not detailed, typical air monitoring stations in Missouri track criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead. The station's location near Highway V suggests a focus on monitoring traffic-related pollutants and their impact on nearby communities. Orchard Farm's data supports public health protection and environmental management in the St. Louis metropolitan area. The station contributes to long-term air quality trends and helps inform regulatory decisions under the Clean Air Act. Its operation ensures continuous monitoring of ambient air, which is essential for identifying pollution episodes and evaluating control strategies.
Environmental context
The Orchard Farm station is situated in a mixed urban and agricultural region of eastern Missouri. The area experiences moderate air quality challenges due to vehicle emissions from nearby highways and industrial activities in the St. Louis metro area. Monitoring at this site helps assess compliance with NAAQS and supports the state's air quality management plan. The station's data contributes to understanding pollutant transport and local exposure patterns, which are critical for protecting public health in a region with variable meteorological conditions.
Frequently asked questions
Orchard Farm is located at 2165 Highway V, St. Charles, Missouri 63301, in Saint Charles County, United States.
Typical air monitoring stations in Missouri measure criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead.
The station is operated under the Missouri Laboratory Services Program, which is part of the state's air quality monitoring network.
Orchard Farm operates under the US EPA's Air Quality System (AQS) network and complies with National Ambient Air Quality Standards (NAAQS) as per the Clean Air Act.
The station provides continuous ambient air quality data that supports regulatory compliance, public health advisories, and the development of emission reduction strategies in the St. Louis region.
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