The Missouri Department of Natural Resources operates a network of about 50 ambient air monitoring sites across the state to comply with the federal Clean Air Act (CAA) and its amendments. This network is used to determine whether areas in Missouri are meeting the primary National Ambient Air Quality Standards (NAAQS) and help develop information on air quality for the citizens of Missouri.
Each air monitor site measures specific air pollutants for that area of Missouri. Concentrations of most air pollutants are measured continuously, with hourly averages reported. The monitoring data is sent to the U.S. Environmental Protection Agency's national database of air monitoring data, called the Air Quality System (AQS). Learn more about the pollutants monitored and the data results for each air monitoring site listed in the table below.
Additional Information
*To sort the table by field, click on the County or Station column headings in the table. You can "click" on the monitoring site's name to access information about the site, daily summary report and other related reports.
| County | Station | Pollutants Monitored |
|---|---|---|
| Andrew | Savannah Air Monitoring Site | Ozone |
| Boone | Finger Lakes State Park Air Monitoring Site | Ozone |
| Buchanan | St. Joseph Pump Station Air Monitoring Site | Particulate Matter |
| Callaway | New Bloomfield Air Monitoring Site | Ozone |
| Cass | Richards-Gebaur South Air Monitoring Site | Ozone, Particulate Matter |
| Cedar | El Dorado Springs Air Monitoring Site | Ozone, Particulate Matter |
| Clay | Liberty Air Monitoring Site | Ozone, Particulate Matter |
| Clay | Rocky Creek Air Monitoring Site | Ozone |
| Clay | Watkins Mill State Park Air Monitoring Site | Ozone |
| Clinton | Trimble Air Monitoring Site | Ozone |