Chatfield State Park
Site ID: 08-035-0004 · 39.5345°N, 105.0704°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Total NMOC (non-methane organic compound) | 81 | 2014 | 2025-06-30 |
| Isobutene & 1-butene | 81 | ||
| n-Dodecane | 81 | 2014 | 2025-06-30 |
| Tridecene | 81 | 2014 | 2025-01-31 |
| n-Tridecane | 81 | 2014 | 2025-01-31 |
| Propyne | 81 | 2014 | 2025-06-30 |
| 1-Octene | 81 | 2014 | 2025-06-30 |
| Methane | 81 | 2014 | 2025-06-30 |
| Ethane | 81 | 2014 | 2025-06-30 |
| Ethylene | 81 | 2014 | 2025-06-30 |
| Propane | 81 | 2014 | 2025-06-30 |
| Propylene | 81 | 2014 | 2025-06-30 |
| Acetylene | 81 | 2014 | 2025-06-30 |
| n-Butane | 81 | 2014 | 2025-06-30 |
| Isobutane | 81 | 2014 | 2025-06-30 |
| trans-2-Butene | 81 | 2014 | 2025-06-30 |
| cis-2-Butene | 81 | 2014 | 2025-06-30 |
| 1,3-Butadiene | 81 | 2014 | 2025-06-30 |
| n-Pentane | 81 | 2014 | 2025-06-30 |
| Isopentane | 81 | 2014 | 2025-06-30 |
| 1-Pentene | 81 | 2014 | 2025-06-30 |
| 2-Methyl-1-butene | 81 | 2014 | 2025-06-30 |
| trans-2-Pentene | 81 | 2014 | 2025-06-30 |
| cis-2-Pentene | 81 | 2014 | 2025-06-30 |
| 2-Methyl-2-butene | 81 | 2014 | 2025-06-30 |
| 3-Methylpentane | 81 | 2014 | 2025-06-30 |
| n-Hexane | 81 | 2014 | 2025-06-30 |
| n-Heptane | 81 | 2014 | 2025-06-30 |
| n-Octane | 81 | 2014 | 2025-06-30 |
| 4-Methyl-1-pentene | 81 | 2014 | 2025-06-30 |
| n-Nonane | 81 | 2014 | 2025-06-30 |
| 2-Ethyl-1-butene | 81 | 2014 | 2025-06-30 |
| n-Decane | 81 | 2014 | 2025-06-30 |
| Cyclopentane | 81 | 2014 | 2025-06-30 |
| Isoprene | 81 | 2014 | 2025-06-30 |
| 2,2-Dimethylbutane | 81 | 2014 | 2025-06-30 |
| 1-Hexene | 81 | 2014 | 2025-06-30 |
| 2-Methyl-1-pentene | 81 | 2014 | 2025-06-30 |
| 2,4-Dimethylpentane | 81 | 2014 | 2025-06-30 |
| Cyclohexane | 81 | 2014 | 2025-06-30 |
| 3-Methylhexane | 81 | 2014 | 2025-06-30 |
| 2,2,4-Trimethylpentane | 81 | 2014 | 2025-06-30 |
| 2,3,4-Trimethylpentane | 81 | 2014 | 2025-06-30 |
| 3-Methylheptane | 81 | 2014 | 2025-06-30 |
| alpha.-Pinene | 81 | 2014 | 2025-06-30 |
| beta.-Pinene | 81 | 2014 | 2025-06-30 |
| Methylcyclohexane | 81 | 2014 | 2025-06-30 |
| Methylcyclopentane | 81 | 2014 | 2025-06-30 |
| 2-Methylhexane | 81 | 2014 | 2025-06-30 |
| Isobutene | 81 | 2014 | 2025-06-30 |
| 1-Nonene | 81 | 2014 | 2025-06-30 |
| 1-Butene | 81 | 2014 | 2025-06-30 |
| 3-Methyl-1-butene | 81 | 2014 | 2025-06-30 |
| Cyclopentene | 81 | 2014 | 2025-06-30 |
| 2,3-Dimethylbutane | 81 | 2014 | 2025-06-30 |
| 2-Methylpentane | 81 | 2014 | 2025-06-30 |
| trans-2-Hexene | 81 | 2014 | 2025-06-30 |
| cis-2-Hexene | 81 | 2014 | 2025-06-30 |
| 2,3-Dimethylpentane | 81 | 2014 | 2025-06-30 |
| 2-2-3-Trimethylpentane | 81 | 2014 | 2025-06-30 |
| 1-Decene | 81 | 2014 | 2014-08-18 |
| 1-Undecene | 81 | 2014 | 2025-06-30 |
| 1-Heptene | 81 | 2014 | 2025-06-30 |
| Dodecene | 81 | 2014 | 2025-06-30 |
| Formaldehyde | 61 | 2014 | 2025-06-30 |
| Acetaldehyde | 61 | 2014 | 2025-06-30 |
| Propionaldehyde | 61 | 2014 | 2025-06-30 |
| Butyraldehyde | 61 | 2014 | 2025-06-30 |
| Isovaleraldehyde | 61 | 2014 | 2014-08-18 |
| Hexanaldehyde | 61 | 2014 | 2025-06-30 |
| Valeraldehyde | 61 | 2014 | 2025-06-30 |
| Crotonaldehyde | 61 | 2014 | 2025-06-30 |
| Acetone | 61 | 2014 | 2025-06-30 |
| Methyl ethyl ketone | 61 | 2014 | 2025-06-30 |
| n-Undecane | 81 | 2014 | 2025-06-30 |
| 2-Methylheptane | 81 | 2014 | 2025-06-30 |
| Ozone | 1 | 2004 | 2025-09-30 |
| m/p Xylene | 81 | 2014 | 2025-06-30 |
| Benzene | 81 | 2014 | 2025-06-30 |
| Toluene | 81 | 2014 | 2025-06-30 |
| Ethylbenzene | 81 | 2014 | 2025-06-30 |
| o-Xylene | 81 | 2014 | 2025-06-30 |
| 1,3,5-Trimethylbenzene | 81 | 2014 | 2025-06-30 |
| 1,2,4-Trimethylbenzene | 81 | 2014 | 2025-06-30 |
| n-Propylbenzene | 81 | 2014 | 2025-06-30 |
| Isopropylbenzene | 81 | 2014 | 2025-06-30 |
| o-Ethyltoluene | 81 | 2014 | 2025-06-30 |
| m-Ethyltoluene | 81 | 2014 | 2025-06-30 |
| p-Ethyltoluene | 81 | 2014 | 2025-06-30 |
| m-Diethylbenzene | 81 | 2014 | 2025-06-30 |
| p-Diethylbenzene | 81 | 2014 | 2025-06-30 |
| Styrene | 81 | 2014 | 2025-06-30 |
| 1,2,3-Trimethylbenzene | 81 | 2014 | 2025-06-30 |
| Benzene, 1-ethenyl-4-methyl | 81 | ||
| Benzaldehyde | 61 | 2014 | 2025-06-30 |
| 2,5-Dimethylbenzaldehyde | 61 | 2014 | 2014-08-18 |
| Tolualdehydes | 61 | 2014 | 2014-08-18 |
| Wind Speed - Scalar | 1 | 2004 | 2025-09-30 |
| Wind Direction - Scalar | 1 | 2004 | 2025-09-30 |
| Wind Speed - Resultant | 1 | 2004 | 2025-09-30 |
| Wind Direction - Resultant | 1 | 2004 | 2025-09-30 |
| Std Dev Hz Wind Direction | 1 | 2004 | 2025-09-30 |
| Outdoor Temperature | 1 | 2004 | 2025-09-30 |
| Sample Flow Rate- CV | 1 | 2005 | 2023-09-30 |
| Sample Volume | 1 | 2005 | 2023-09-30 |
| Ambient Min Temperature | 1 | 2005 | 2010-01-02 |
| Ambient Max Temperature | 1 | 2005 | 2010-01-02 |
| Average Ambient Temperature | 1 | 2005 | 2023-09-30 |
| Sample Min Baro Pressure | 1 | 2005 | 2010-01-02 |
| Sample Max Baro Pressure | 1 | 2005 | 2010-01-02 |
| Average Ambient Pressure | 1 | 2005 | 2023-09-30 |
| Elapsed Sample Time | 1 | 2005 | 2023-09-30 |
| PM10 - LC | 3 | 2017 | 2025-09-30 |
| PM2.5 - Local Conditions | 1 | 2005 | 2023-09-30 |
| PM2.5 - Local Conditions | 3 | 2017 | 2025-09-30 |
| PM2.5 - Local Conditions | 23 | 2017 | 2023-07-21 |
| PM2.5 Total Atmospheric | 3 | 2004 | 2017-04-30 |
| PM2.5 Raw Data | 3 | 2004 | 2014-08-26 |