Ladue
Site ID: 29-189-3001 · 38.6503°N, 90.3503°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Soil index (COH) | 1 | 1971 | 1974-05-15 |
| Light scatter | 1 | 1974 | 1989-06-30 |
| Lead (TSP) STP | 1 | ||
| Carbon monoxide | 1 | 1971 | 2001-03-31 |
| Sulfur dioxide | 1 | 1971 | 2010-09-30 |
| Sulfur dioxide | 2 | 1976 | 2007-12-31 |
| Sulfur dioxide | 3 | ||
| Nitric oxide (NO) | 1 | 1971 | 2010-09-30 |
| Nitric oxide (NO) | 2 | 1978 | 1994-12-31 |
| Nitrogen dioxide (NO2) | 1 | 1971 | 2010-09-30 |
| Nitrogen dioxide (NO2) | 2 | 1978 | 2009-12-31 |
| Oxides of nitrogen (NOx) | 1 | 2005 | 2010-09-30 |
| Total hydrocarbons | 1 | 1971 | 1989-09-30 |
| Total NMOC (non-methane organic compound) | 1 | 1981 | 1989-09-30 |
| Total Oxidants | 1 | 1971 | 1976-07-27 |
| Ozone | 1 | 1974 | 2005-03-31 |
| Wind Speed - Scalar | 1 | 1971 | 1974-06-10 |
| Wind Direction - Scalar | 1 | 1971 | 1974-06-10 |
| Wind Speed - Resultant | 1 | 1974 | 2017-10-31 |
| Wind Direction - Resultant | 1 | 1974 | 2017-10-31 |
| Outdoor Temperature | 1 | 1971 | 2025-05-31 |
| Indoor Temperature | 1 | 2005 | 2025-05-31 |
| Relative Humidity | 1 | 1974 | 2025-05-31 |
| Solar radiation | 1 | 1981 | 1997-08-07 |
| Barometric pressure | 1 | 1997 | 2025-05-31 |
| PM10 - LC | 5 | 2012 | 2016-12-31 |
| PM10-2.5 - Local Conditions | 8 | 2014 | 2016-12-31 |
| Acceptable PM10-2.5 - Local Conditions | 1 | 2012 | 2014-12-31 |
| PM2.5 - Local Conditions | 1 | 2017 | 2024-12-31 |
| PM2.5 - Local Conditions | 2 | 2017 | 2025-03-26 |
| PM2.5 - Local Conditions | 3 | 2009 | 2012-12-13 |
| PM2.5 - Local Conditions | 4 | 2012 | 2016-12-31 |
| PM2.5 Total Atmospheric | 1 | 2012 | 2016-12-31 |
| PM2.5 Total Atmospheric | 3 | 2004 | 2012-12-13 |
| Acceptable PM2.5 AQI & Speciation Mass | 3 | 2006 | 2012-12-31 |
| PM2.5 Volatile Channel | 1 | 2012 | 2019-12-31 |
| PM2.5 Volatile Channel | 3 | 2009 | 2012-12-13 |
| PM2.5 Volatile Channel | 4 | 2020 | 2024-09-30 |