Hall Street, St. Louis
Site Operator: St. Louis City, Division of Air Pollution Control, Technical Services Section
Pollutants Monitored: Inhalable Particulate (PM10)
Updated: Within 90 days after the end of a quarter.
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. Monthly data and data shown graphically is raw, unreviewed and unvalidated data.
| 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 | |||
| FIRST QUARTER | not available | not available | not available
|
| SECOND QUARTER | not available | ||
| THIRD QUARTER | not available | ||
Graph of Recent Inhalable Particulate (PM10) Data
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