Rockville
Site ID: 24-031-3001 · 39.1143°N, 77.1069°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Nitric oxide (NO) | 1 | 1980 | 1980-12-31 |
| Nitrogen dioxide (NO2) | 1 | 1980 | 1982-01-25 |
| Oxides of nitrogen (NOx) | 1 | 1980 | 1982-01-25 |
| Ozone | 1 | 1980 | 2025-10-31 |
| Wind Speed - Scalar | 1 | 1980 | 2005-10-31 |
| Wind Direction - Scalar | 1 | 1980 | 2005-10-31 |
| Wind Speed - Resultant | 1 | 2006 | 2025-09-30 |
| Wind Direction - Resultant | 1 | 2006 | 2025-09-30 |
| Std Dev Hz Wind Direction | 1 | 1983 | 1984-03-31 |
| Outdoor Temperature | 1 | 2010 | 2025-09-30 |
| Relative Humidity | 1 | 2010 | 2025-09-30 |
| Barometric pressure | 1 | 2010 | 2025-09-30 |
| Rain/melt precipitation | 1 | 2010 | 2025-09-30 |
| Sample Flow Rate- CV | 1 | 1999 | 2006-09-29 |
| Sample Volume | 1 | 1999 | 2006-09-29 |
| Ambient Min Temperature | 1 | 1999 | 2006-09-29 |
| Ambient Max Temperature | 1 | 1999 | 2006-09-29 |
| Average Ambient Temperature | 1 | 1999 | 2010-07-07 |
| Sample Min Baro Pressure | 1 | 1999 | 2006-09-29 |
| Sample Max Baro Pressure | 1 | 1999 | 2006-09-29 |
| Average Ambient Pressure | 1 | 1999 | 2010-07-07 |
| Elapsed Sample Time | 1 | 1999 | 2006-09-29 |
| PM2.5 - Local Conditions | 1 | 1999 | 2010-06-22 |
| PM2.5 - Local Conditions | 3 | 2008 | 2025-09-30 |