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 | Pollutants Monitored |
|---|---|---|
| Jefferson | Herculaneum Dunklin High School Air Monitoring Site | Lead |
| Jefferson | Herculaneum Mott Street Air Monitoring Site | Lead, Sulfur Dioxide |
| Jefferson | Herculaneum North Cross Air Monitoring Site | Lead |
| Jefferson | Herculaneum Sherman Air Monitoring Site | Lead |
| Jefferson | Herculaneum Ursuline North Air Monitoring Site | Lead |
| Jefferson | Rush Island Natchez Industrial Air Monitoring Site | Sulfur Dioxide |
| Jefferson | Rush Island Weaver Road and Hwy AA Industrial Air Monitoring Site | Sulfur Dioxide |
| Lincoln | Foley West Air Monitoring Site | Ozone |
| Monroe | Mark Twain State Park Air Monitoring Site | Nitrogen Dioxide, Ozone, Particulate Matter, Sulfur Dioxide |
| Monroe | Rush Island Fults IL Industrial Air Monitoring Site | Sulfur Dioxide |