Environmental Services Program
Missouri Inhalable Particulate (PM2.5)
Air Monitoring Sites
=Active Site
=Inactive Site or instrument
Arnold, Jefferson Co.
Pollutant(s) Monitored:
- Ozone (O3)
- Inhalable Particulate (PM2.5)
Blair Street, St. Louis City ![]()
Pollutant(s) Monitored:
- Ozone (O3)
- Inhalable Particulate (PM2.5)
- Inhalable Particulate (PM10)
- Carbon Monoxide (CO)
- Nitrogen Dioxide (NO2)
- Sulfur Dioxide (SO2)
Branch Street , St. Louis City ![]()
Pollutant(s) Monitored:
- Inhalable Particulate (PM2.5)
- Inhalable Particulate (PM10)
El Dorado Springs, Cedar County ![]()
Pollutant(s) Monitored:
- Nitrogen Dioxide (NO2)

- Ozone (O3)
- Inhalable Particulate (PM2.5)
Ladue, St. Louis County ![]()
Pollutant(s) Monitored:
- Sulfur Dioxide (SO2)

- Nitrogen Dioxide (NO2)

- Ozone (O3)

- Lead (Pb)

- Inhalable Particulate (PM2.5)
Liberty, Clay County
Pollutant(s) Monitored:
- Nitrogen Dioxide (NO2)

- Ozone (O3)
- Inhalable Particulate (PM2.5)
Missouri State University, Springfield, Green County ![]()
Pollutant(s) Monitored:
- Sulfur Dioxide (SO2)

- Carbon Monoxide (CO)

- Inhalable Particulate (PM10)
- Inhalable Particulate (PM 2.5)
Richards Gebaur South, Kansas City,Cass County ![]()
Pollutant(s) Monitored:
- Ozone (O3)
- Inhalable Particulate (PM2.5)
South Broadway and Hurck, St. Louis City ![]()
Pollutant(s) Monitored:
- Sulfur Dioxide (SO2)

- Inhalable Particulate (PM2.5)
- Inhalable Particulate (PM10)
St. Joseph Pump Station, St. Joseph, Buchanan County ![]()
Pollutant(s) Monitored:
- Inhalable Particulate (PM10)
- Inhalable Particulate (PM2.5)
Troost, Kansas City, Jackson County ![]()
Pollutant(s) Monitored:
- Inhalable Particulate (PM2.5)
- Inhlable Particulte (PM10)
- Nitrogen Dioxide (NO2)
- Sulfur Dioxide (SO2)
Sites that have historically measured Inhalable Particulate (PM2.5)
Highway 94, West Alton,St.Charles County
Pollutant(s) Monitored:
- Nitrogen Dioxide (NO2)

- Ozone (O3)
- Inhalable Particulate (PM2.5)

Margaretta, St. Louis City ![]()
Pollutant(s) Monitored:
- Inhalable Particulate (PM2.5)

- Inhalable Particulate (PM10)
- Sulfur Dioxide (SO2)
- Nitrogen Dioxide (NO2)
- Ozone (O3)

- Carbon Monoxide (CO)

Mark Twain State Park, Stoutsville,Monroe County ![]()
Pollutant(s) Monitored:
- Inhalable Particulate (PM10)
- Sulfur Dioxide (SO2)
- Ozone (O3)
- Inhalable Particulate (PM2.5)

Bonne Terre,Ste Genevieve County. ![]()
Pollutant(s) Monitored:
- Ozone (O3)
- Nitrogen Dioxide (NO2)
- Inhalable Particulate (PM2.5)
Mound and Second, St. Louis City ![]()
Pollutant(s) Monitored:
- Inhalable Particulate (PM2.5)

- Inhalable Particulate (PM10)

University of Missouri, Kansas City, Jackson County
Pollutant(s) Monitored:
- Carbon Monoxide (CO)
- Inhalable Particulate (PM2.5)
High School, Sainte Genevieve, Ste Genevieve County ![]()
Pollutant(s) Monitored: Inhalable Particulate (PM2.5)
Columbia, Boone County
Pollutant(s) Monitored:
- Inhalable Particulate (PM2.5)
Pleasant Green, Cooper
County
.
Pollutant(s) Monitored:
- Inhalable Particulate (PM2.5)
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