Missouri operates approximately 50 air monitoring sites across the state. The monitors measure pollutants and collect data to determine whether Missouri meets federal and state air quality standards, report daily air quality and track trends in air pollution levels over time. Select an air monitoring site to learn more about each pollutant monitored and the data results for each site.
- Air Monitoring Sites in Jefferson County
- Air Monitoring Sites in Southeast Missouri
- Air Monitoring Sites - GIS Map
To sort the table by field, click on the County or Station column headings in the table.
County | Station Sort descending | Pollutants Monitored |
---|---|---|
New Madrid | Magnitude 7 Metals Site #3 West Entrance Industrial Air Monitoring Site | Sulfur Dioxide |
Monroe | Mark Twain State Park Air Monitoring Site | Nitrogen Dioxide, Ozone, Particulate Matter, Sulfur Dioxide |
St. Louis | Maryland Heights Air Monitoring Site | Ozone |
Stoddard | Mingo Refuge Air Monitoring Site | Particulate Matter |
Callaway | New Bloomfield Air Monitoring Site | Ozone |
Reynolds | Oates Air Monitoring Site | Lead |
St. Charles | Orchard Farm Air Monitoring Site | Ozone |
St. Louis | Pacific Air Monitoring Site | Ozone |
Cass | Richards-Gebaur South Air Monitoring Site | Ozone, Particulate Matter |
St. Louis | Rider Trail I-70, Near Road, Air Monitoring Site | Nitrogen Dioxide, Sulfur Dioxide |