Environmental Services Program

Missouri Ozone (O3) Air Monitoring Sites

    =Active Site
    =Inactive Site or instrument

Currently Monitoring Ozone

Alba, Jasper County  
Pollutant(s) Monitored:

• Ozone (O3)

Arnold West, Jefferson County  
Pollutant(s) Monitored:

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

Blair Street, NCore Site, St. Louis City  
Pollutant(s) Monitored:

• Ozone (O3)
• Inhalable Particulate (PM2.5)
• Inhalable Particulate (PM10)
• Trace Carbon Monoxide (CO)
• Nitrogen Dioxide (NO2)
• Trace Sulfur Dioxide (SO2)

Bonne Terre, Ste. Genevieve  
Pollutant(s) Monitored:

• Ozone (O3)
• Nitrogen Dioxide (NO2)
• Inhalable Particulate (PM2.5)  

Branson, Taney County  
Pollutant(s) Monitored:

• Ozone (O3)

El Dorado Springs, Cedar County  
Pollutant(s) Monitored:

• Ozone (O3)
• Nitrogen Dioxide (NO2)  
• Inhalable Particulate (PM2.5)

Farrar, Perry County  
Pollutant(s) Monitored:

• Ozone (O3)

Fellows Lake, Springfield, Greene County  
Pollutant(s) Monitored:

• Ozone (O3)

Finger Lakes, Columbia, Boone County  
Pollutant(s) Monitored:

• Ozone (O3)

Foley, Lincoln County  
Pollutant(s) Monitored:

• Ozone (O3)

Hillcrest High School, Springfield, Green County  
Pollutant(s) Monitored:

• Ozone (O3))
• Nitrogen Dioxide (NO2)

Liberty, Clay County  
Pollutant(s) Monitored:

• Ozone (O3)
• Nitrogen Dioxide (NO2)
• Inhalable Particulate (PM2.5)

Mark Twain State Park, Stoutsville, Monroe County  
Pollutant(s) Monitored:

• Ozone (O3)
• Inhalable Particulate (PM10)
• Sulfur Dioxide (SO2)
• Inhalable Particulate (PM2.5)  

Maryland Heights, St Louis County  
Pollutant(s) Monitored:

• Ozone (O3)
• Sulfur Dioxide (SO2)
• Nitrogen Dioxide (NO2)

New Bloomfield, Callaway County  
Pollutant(s) Monitored:

• Ozone (O3)

Orchard Farm School, St. Charles County  
Pollutant(s) Monitored:

• Ozone (O3)

Pacific, St Louis County  
Pollutant(s) Monitored:

• Ozone (O3)

Richards Gebaur Airport, Kansas City, Cass County  
Pollutant(s) Monitored:

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

Rocky Creek, 13131 Highway 169 NE, Kansas City, Clay County  
Pollutant(s) Monitored:

• Ozone (O3)
• Nitrogen Dioxide (NO2)  

Savannah, Andrew County  
Pollutant(s) Monitored:

• Ozone (O3)

Trimble, Clinton County  
Pollutant(s) Monitored:

• Ozone (O3)

Watkins Mill State Park, Lawson, Clay County  
Pollutant(s) Monitored:

• Ozone (O3)

West Alton, St. Charles County  
Pollutant(s) Monitored:

• Ozone (O3)
• Nitrogen Dioxide (NO2)
• Inhalable Particulate (PM2.5)  

 

 

 

 

Historically Monitored Ozone

Carthage, Jasper County  
Pollutant(s) Monitored:

• Ozone (O3)
• Inhalable Particulate (PM10)

Blair Street, St. Louis City  
Pollutant(s) Monitored:

• Ozone (O3)
• Inhalable Particulate (PM2.5)
• Inhalable Particulate (PM10)
• Carbon Monoxide (CO)

Margaretta, St. Louis City  
Pollutant(s) Monitored:

• Ozone (O3)  
• Carbon Monoxide (CO)
• Sulfur Dioxide (SO2)
• Nitrogen Dioxide (NO2)
• Inhalable Particulate (PM10)
• Inhalable Particulate (PM2.5)  

South Lindbergh, Sunset Hills , St Louis County  
Pollutant(s) Monitored:

• Ozone (O3)  
• Sulfur Dioxide (SO2)  
• Nitrogen Dioxide (NO2)
• Inhalable Particulate (PM2.5)  
• Carbon Monoxide (CO)

Hunter Ave. Ladue, St. Louis City  
Pollutant(s) Monitored:

• Ozone (O3)  
• Sulfur Dioxide (SO2)
• Nitrogen Dioxide (NO2)
• Lead (Pb)
• Inhalable Particulate (PM2.5)

Weidman Rd., Queeny Park,St.Louis County  
Pollutant(s) Monitored:

• Ozone (O3)
• Sulfur Dioxide (SO2)
• Nitrogen Dioxide (NO2)

KCI Airport, Kansas City  
Pollutant(s) Monitored:

• Ozone (O3
• Sulfur Dioxide (SO2
• Nitrogen Dioxide (NO2

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