Environmental Services Program
Hall Street, St. Louis
Site Operator: Missouri Department of Natural Resources' Environmental Services Program.
County: St. Louis City Site ID: 29-510-0088
Pollutants Monitored: Inhalable Particulate (PM10)
Inhalable Particulate (PM10)
Updated: Quarterly.
National Ambient Air Monitoring Standard: (24-hour samples; 1 taken every 6th day) A 24-hour average of 150 ug/m3 (micrograms per cubic meter) and/or an annual average of 50 ug/m 3 (micrograms per cubic meter).
Exceedances allowed without a violation being recorded: None.
Disclaimer: Yearly and quarterly data shown below has been subject to data review and validation procedures by the reporting agency.
| Year | Number of Exceedances |
Annual Average |
Maximum 24-Hour Average |
|---|---|---|---|
| 1993 | 0 | 29 | 108 |
| 1994 | 0 | 33 | 141 |
| 1995 | 0 | 30 | 141 |
| 1996 | 0 | 23 | 106 |
| 1997 | 0 | 23 | 79 |
| 1998 | 0 | 28 | 116 |
| 1999 | 0 | 36 | 95 |
| 2000 | 0 | 39 | 119 |
| 2001 (Site moved from Carrie Street to 6204 Hall) | |||
| 2001 | 0 | 41 | 91 |
| 2002 | 0 | 40 | 133 |
| 2003 | 0 | 43.6 | 137 |
| 2004 | 1 | 40.2 | 235 |
| 2005 | 1 | 43.1 | 170 |
| 2006 | 3 | 44.4 | 315 |
| 2007 | 1 | 33.5 | 172 |
| 2008 | 0 | 27.0 | 89 |
| 2009 | 0 | 24.6 | 150 |
| 2010 | 0 | 22.7 | 97 |
| Year | Number of Exceedances |
Annual Average |
Maximum 24-Hour Average |
| This site came under control of Missouri Department of Natural Resources on September 1, 2011. | |||
| 2011 | 0 | 26.7 | 97 |
| 2012 | |||
| First Quarter | 0 | 31.3 | 140 |
| Second Quarter | 0 | ||
| Third Quarter | |||
| Site was removed in April 2012 | |||
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