St. Louis Area Air Monitoring Sites

Site Name and Pollutants Monitored

Site Photo

Site Status

Orchard Farm School, Orchard Farm, St. Charles County
Pollutant(s) Monitored: Ozone (O3)

Picture of monitoring site

    Active          Active site symbol       April1-Oct 31.

Highway 94, West Alton, St. Charles County
Pollutant(s) Monitored: Nitrogen Dioxide (NO2), Ozone (O3), Inhalable Particulate (PM 2.5)

Picture of monitoring site

Active

Active site symbol

Pershall Rd., Ferguson , St Louis County
Pollutant(s) Monitored: Inhalable Particulate (PM10)

Picture of monitoring site

Active

Active site symbol

Margaretta, St. Louis City
Pollutant(s) Inhalable Particulate (PM2.5)Inactive Symbol, Inhalable Particulate (PM10), Ozone (O3), Sulfur dioxide (SO2), Nitrogen Dioxide (NO2), Carbon Monoxide (CO)

Picture Not Available

 PM 2.5 Inactive symbolInactive (2007) Others Active

Mound and Second, St. Louis City
Pollutant(s) Inhalable Particulate (PM2.5), Inhalable Particulate (PM10)

Mound Street Site at Saint Louis City

Active

Active site symbol

Hall Street, St. Louis City
Pollutant(s) Monitored: Inhalable Particulate (PM10)

Picture Not Available

Active

Active site symbol

3 North Market, St. Louis City
Pollutant(s) Monitored: Inhalable Particulate (PM10)

Picture Not Available

Inactive(2007)

Inactive symbol

Branch Street , St. Louis City
Pollutant(s) Monitored: Inhalable Particulate (PM2.5), Inhalable Particulate (PM10)

Photo of Branch street site

Active

Active site symbol

Hunter Ave., Ladue, St Louis County
Pollutant(s) Monitored: Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), Ozone (O3)Inactive symbol, Lead (Pb), Inhalable Particulate (PM2.5) Sequential and Continuous Monitoring

Photo of Ladue air site

O3 Inactive symbol     Inactive (2004) Others Active Active site symbol

Maryland Heights, St Louis County
Pollutant(s) Monitored: Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), Ozone (O3)

Picture Not Available

Active

Active site symbol

Pacific, St Louis County
Pollutant(s) Monitored: Ozone (O3)

Picture Not Available

Active

Active site symbol

Weidman Rd., Queeny Park, St Louis County
Pollutant(s) Monitored: Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), Ozone (O3)

Picture of monitoring site

Inactive (2006)

Inactive symbol

South Broadway and Hurck, St. Louis City
Pollutant(s) Monitored: Sulfur Dioxide (SO2)

Picture Not Available

Active

Active site symbol

South Lindbergh, Sunset Hills, St Louis County
Pollutant(s) Monitored: Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), Ozone (O3), Inhalable Particulate (PM2.5), Carbon Monoxide (CO)

Picture of monitoring site

SO2Inactive symbol,     PM 2.5Inactive symbol  Inactive (2006)

Others Active Active site symbol

Arnold, Jefferson Co.
Pollutant(s) Monitored: Ozone (O3), Inhalable Particulate (PM2.5)

Picture of monitoring site

Active

Active site symbol

Blair Street, St. Louis City
Pollutant(s) Ozone (O3), Inhalable Particulate (PM2.5), Inhalable Particulate (PM10), Carbon Monoxide (CO)

Picture Not Available

Active

Active site symbol

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