Environmental Services Program

Northeast Missouri Air Monitoring Sites

Site Name and Pollutants Monitored Site Photo Site Status
Mark Twain State Park, Stoutsville, Monroe County
Pollutant(s) Monitored: Sulfur Dioxide (SO2)Inactive icon, Ozone (O3), Inhalable Particulate (PM10)Inactive icon, Inhalable Particulate (PM2.5)  Inactive icon		 Photograph of Mark Twain Monitoring Site Active  Active icon
Foley, Lincoln County
Pollutant(s) Monitored: Ozone (O3)		 Picture of monitoring site Active  Active icon
Finger Lakes, Columbia, Boone County
Pollutant(s) Monitored: Ozone (O3)		 Photograph of Finger Lakes Monitoring Site Active  Active icon
New Bloomfield, Callaway County
Pollutant(s) Monitored: Ozone (O3)		 Photograph of New Bloomfield monitoring Site Active  Active icon
Green City, Sullivan County
Pollutant(s) Monitored: Hydrogen Sulfide (H2S)Inactive icon, Ammonia (NH3)Inactive icon		 Green City Site Photo Inactive icon Inactive 2010

Greencastle, Sullivan County
Pollutant(s) Monitored: Ammonia (NH3)

 Picture of monitoring site Inactive (2005)  Inactive icon

Columbia, Boone County
Pollutant(s) Monitored: Inhalable Particulate (PM2.5)

 Picture of monitoring site Inactive (2006)  Inactive icon

Clarksville, Pike County
Pollutant(s) Monitored: Sulfur Dioxide (So2)

 Picture of monitoring site Inactive (2008)   Inactive icon
Mercer, Mercer County
Pollutant(s) Monitored: Hydrogen Sulfide (H2S), Ammonia (NH3)		 Picture of monitoring site Inactive (2009)  Inactive icon
Unionville, Putnam County
Pollutant(s) Monitored: Hydrogen Sulfide (H2S), Ammonia (NH3)		 Photo of Unionville site Inactive (2008)  Inactive icon

Pleasant Green, Cooper Co.
Pollutant(s) Monitored: Inhalable Particulate (PM2.5)

 Picture of monitoring site Inactive (2006)  Inactive icon

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