Union Cross
Site ID: 37-067-1008 · 36.0518°N, 80.1449°W
Loading map...
Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Carbon monoxide | 1 | 1994 | 1997-09-21 |
| Reactive oxides of nitrogen (NOy) | 1 | 1995 | 2001-09-17 |
| Nitric oxide (NO) | 1 | 1994 | 2001-09-17 |
| Nitrogen dioxide (NO2) | 1 | 1994 | 1994-09-08 |
| Oxides of nitrogen (NOx) | 1 | 1994 | 1994-09-08 |
| Total NMOC (non-methane organic compound) | 1 | ||
| Isomers of dodecane | 1 | ||
| n-Dodecane | 1 | ||
| Methane | 1 | ||
| Ethane | 1 | ||
| Ethylene | 1 | ||
| Propane | 1 | ||
| Propylene | 1 | ||
| Acetylene | 1 | ||
| n-Butane | 1 | ||
| Isobutane | 1 | ||
| trans-2-Butene | 1 | ||
| cis-2-Butene | 1 | ||
| n-Pentane | 1 | ||
| Isopentane | 1 | ||
| 1-Pentene | 1 | ||
| trans-2-Pentene | 1 | ||
| cis-2-Pentene | 1 | ||
| 2-Methyl-2-butene | 1 | ||
| 3-Methylpentane | 1 | ||
| n-Hexane | 1 | ||
| n-Heptane | 1 | ||
| n-Octane | 1 | ||
| 4-Methyl-1-pentene | 1 | ||
| n-Nonane | 1 | ||
| n-Decane | 1 | ||
| Cyclopentane | 1 | ||
| Isoprene | 1 | ||
| 2,2-Dimethylbutane | 1 | ||
| 1-Hexene | 1 | ||
| 2-Methyl-1-pentene | 1 | ||
| 2,4-Dimethylpentane | 1 | ||
| Cyclohexane | 1 | ||
| 3-Methylhexane | 1 | ||
| 2,2,4-Trimethylpentane | 1 | ||
| 2,3,4-Trimethylpentane | 1 | ||
| 3-Methylheptane | 1 | ||
| Methylcyclohexane | 1 | ||
| Methylcyclopentane | 1 | ||
| 2-Methylhexane | 1 | ||
| 1-Butene | 1 | ||
| 3-Methyl-1-butene | 1 | ||
| Cyclopentene | 1 | ||
| 2,3-Dimethylbutane | 1 | ||
| 2-Methylpentane | 1 | ||
| trans-2-Hexene | 1 | ||
| cis-2-Hexene | 1 | ||
| 2,3-Dimethylpentane | 1 | ||
| n-Undecane | 1 | ||
| 2-Methylheptane | 1 | ||
| Ozone | 1 | 1988 | 2025-08-31 |
| m/p Xylene | 1 | ||
| Benzene | 1 | ||
| Toluene | 1 | ||
| Ethylbenzene | 1 | ||
| o-Xylene | 1 | ||
| 1,3,5-Trimethylbenzene | 1 | ||
| 1,2,4-Trimethylbenzene | 1 | ||
| n-Propylbenzene | 1 | ||
| Isopropylbenzene | 1 | ||
| o-Ethyltoluene | 1 | ||
| m-Ethyltoluene | 1 | ||
| p-Ethyltoluene | 1 | ||
| m-Diethylbenzene | 1 | ||
| p-Diethylbenzene | 1 | ||
| Styrene | 1 | ||
| 1,2,3-Trimethylbenzene | 1 | ||
| Wind Speed - Resultant | 1 | 1994 | 2019-05-31 |
| Wind Direction - Resultant | 1 | 1994 | 2019-05-31 |
| Std Dev Hz Wind Direction | 1 | 1994 | 2009-05-31 |
| Std Dev Hz Wind Speed | 1 | 1994 | 2009-05-31 |
| Outdoor Temperature | 1 | 1996 | 2025-08-31 |
| Dew Point | 1 | 1997 | 2011-12-31 |
| Relative Humidity | 1 | 2010 | 2025-08-31 |
| Barometric pressure | 1 | 2012 | 2025-08-31 |