Humboldt Avenue
Site ID: 27-053-1007 · 45.0397°N, 93.2987°W
Loading map...
Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Suspended particulate (TSP) | 1 | 1979 | 2025-06-30 |
| Suspended particulate (TSP) | 2 | 1967 | 1988-07-26 |
| Soil index (COH) | 1 | 1972 | 1973-06-13 |
| Aluminum (TSP) STP | 1 | 2002 | 2015-03-31 |
| Antimony (TSP) STP | 1 | 2002 | 2015-03-31 |
| Arsenic (TSP) STP | 1 | 2002 | 2022-03-30 |
| Beryllium (TSP) STP | 1 | 2002 | 2022-03-30 |
| Barium (TSP) STP | 1 | 2002 | 2015-03-31 |
| Cadmium (TSP) STP | 1 | 1972 | 2022-03-30 |
| Calcium (TSP) STP | 1 | 2002 | 2003-04-09 |
| Chromium (TSP) STP | 1 | 2002 | 2022-03-30 |
| Cobalt (TSP) STP | 1 | 2002 | 2022-03-30 |
| Copper (TSP) STP | 1 | 2002 | 2015-03-31 |
| Iron (TSP) STP | 1 | 1972 | 2015-03-31 |
| Lead (TSP) STP | 1 | 1972 | 2011-06-02 |
| Manganese (TSP) STP | 1 | 2002 | 2022-03-30 |
| Nickel (TSP) STP | 1 | 1972 | 2022-03-30 |
| Magnesium (TSP) STP | 1 | 2002 | 2003-04-09 |
| Mercury (TSP) STP | 1 | ||
| Phosphorus (TSP) STP | 1 | 2002 | 2003-04-09 |
| Selenium (TSP) STP | 1 | 2002 | 2015-03-31 |
| Tin (TSP) STP | 1 | 2002 | 2003-04-09 |
| Vanadium (TSP) STP | 1 | 2002 | 2003-04-09 |
| Silver (TSP) STP | 1 | 2002 | 2003-04-09 |
| Zinc (TSP) STP | 1 | 2002 | 2015-03-31 |
| Thallium (TSP) STP | 1 | 2002 | 2003-04-09 |
| Potassium (TSP) STP | 1 | 2002 | 2003-04-09 |
| Sodium (TSP) STP | 1 | 2002 | 2003-04-09 |
| Sulfate (TSP) STP | 1 | 1972 | 1975-06-29 |
| Arsenic (TSP) LC | 1 | 2014 | 2025-06-30 |
| Beryllium (TSP) LC | 1 | 2014 | 2025-06-30 |
| Cadmium (TSP) LC | 1 | 2014 | 2025-06-30 |
| Chromium (TSP) LC | 1 | 2014 | 2025-06-30 |
| Iron (TSP) LC | 1 | 2014 | 2023-09-27 |
| Lead (TSP) LC | 1 | 2011 | 2025-06-30 |
| Manganese (TSP) LC | 1 | 2014 | 2025-06-30 |
| Nickel (TSP) LC | 1 | 2014 | 2025-06-30 |
| Selenium (TSP) LC | 1 | 2023 | 2025-06-30 |
| Zinc (TSP) LC | 1 | 2014 | 2018-04-20 |
| Total dustfall (SP) | 1 | 1966 | 1968-12-01 |
| Total dustfall (SP) | 2 | 1973 | 1974-12-01 |
| Total dustfall (SP) | 3 | 1966 | 1969-06-01 |
| Inorganic Fractn (SP) | 1 | 1973 | 1974-12-01 |
| Carbon disulfide | 1 | 2003 | 2014-06-22 |
| Sulfur dioxide | 1 | 1973 | 1977-12-21 |
| Sulfur dioxide | 2 | 1978 | 1979-12-29 |
| Sulfur dioxide | 3 | 1973 | 1974-12-31 |
| Sulfation rate | 1 | 1973 | 1974-11-01 |
| Sulfation rate | 2 | 1966 | 1968-11-01 |
| Sulfation rate | 3 | 1967 | 1967-09-01 |
| Sulfation rate | 4 | 1966 | 1968-07-01 |
| Nitrogen dioxide (NO2) | 1 | 1974 | 1979-12-29 |
| Nitrogen dioxide (NO2) | 2 | 1973 | 1973-12-18 |
| Nitrogen dioxide (NO2) | 3 | 1974 | 1975-01-06 |
| Nitrogen dioxide (NO2) | 4 | 1973 | 1973-12-18 |
| Propylene | 1 | 2003 | 2014-06-22 |
| Freon 113 | 1 | 2002 | 2018-06-25 |
| Freon 114 | 1 | 2002 | 2018-06-25 |
| 1,3-Butadiene | 1 | 2002 | 2018-06-25 |
| n-Hexane | 1 | 2003 | 2014-06-22 |
| n-Heptane | 1 | 2003 | 2014-06-22 |
| Cyclohexane | 1 | 2003 | 2014-06-22 |
| 2,2,4-Trimethylpentane | 1 | 2003 | 2003-05-27 |
| Ethyl alcohol | 1 | 2004 | 2014-06-22 |
| 2-Propanol | 1 | 2003 | 2014-06-22 |
| 3-Chloropropene | 1 | 2002 | 2002-12-28 |
| Methyl tert-butyl ether | 1 | 2003 | 2018-06-25 |
| Methyl methacrylate | 1 | 2016 | 2018-06-25 |
| Vinyl acetate | 1 | 2003 | 2014-06-22 |
| Formaldehyde | 1 | 2002 | 2022-09-26 |
| Acetaldehyde | 1 | 2002 | 2022-09-26 |
| Propionaldehyde | 1 | 2002 | 2022-09-26 |
| Acrolein - Unverified | 1 | ||
| Butyraldehyde | 1 | 2002 | 2022-09-26 |
| Trans-Crotonaldehyde | 1 | 2002 | 2018-06-25 |
| Crotonaldehyde | 1 | 2022 | 2022-09-26 |
| Acetone | 1 | 2002 | 2022-09-26 |
| Methyl ethyl ketone | 1 | 2003 | 2014-06-22 |
| Methyl Butyl Ketone | 1 | 2003 | 2014-06-22 |
| Acrylonitrile | 1 | 2002 | 2002-12-28 |
| Chloromethane | 1 | 2002 | 2018-06-19 |
| Dichloromethane | 1 | 2002 | 2018-06-25 |
| Chloroform | 1 | 2002 | 2018-06-25 |
| Carbon tetrachloride | 1 | 2002 | 2018-06-25 |
| Bromoform | 1 | 2003 | 2018-06-25 |
| Trichlorofluoromethane | 1 | 2002 | 2018-06-25 |
| Chloroethane | 1 | 2002 | 2018-06-25 |
| 1,1-Dichloroethane | 1 | 2002 | 2018-06-25 |
| Methyl chloroform | 1 | 2002 | 2018-06-25 |
| Ethylene dichloride | 1 | 2002 | 2018-06-25 |
| Tetrachloroethylene | 1 | 2002 | 2018-06-25 |
| 1,1,2,2-Tetrachloroethane | 1 | 2002 | 2018-06-25 |
| Bromomethane | 1 | 2002 | 2018-06-25 |
| 1,1,2-Trichloroethane | 1 | 2002 | 2018-06-25 |
| Dichlorodifluoromethane | 1 | 2002 | 2018-06-25 |
| Trichloroethylene | 1 | 2002 | 2018-06-25 |
| 1,1-Dichloroethylene | 1 | 2002 | 2018-06-25 |
| Bromodichloromethane | 1 | 2003 | 2018-06-25 |
| 1,2-Dichloropropane | 1 | 2002 | 2018-06-25 |
| trans-1,3-Dichloropropene | 1 | 2002 | 2018-06-25 |
| cis-1,3-Dichloropropene | 1 | 2002 | 2018-06-25 |
| Dibromochloromethane | 1 | 2003 | 2018-06-25 |
| trans-1,2-Dichloroethylene | 1 | 2003 | 2018-06-25 |
| cis-1,2-Dichloroethene | 1 | 2002 | 2018-06-25 |
| Ethylene dibromide | 1 | 2002 | 2018-06-25 |
| Hexachlorobutadiene | 1 | 2002 | 2018-06-25 |
| Vinyl chloride | 1 | 2002 | 2018-06-25 |
| Vinyl bromide | 1 | 2003 | 2003-05-27 |
| m/p Xylene | 1 | 2002 | 2018-06-25 |
| Benzene | 1 | 2002 | 2018-06-25 |
| Toluene | 1 | 2002 | 2018-06-25 |
| Ethylbenzene | 1 | 2002 | 2018-06-25 |
| o-Xylene | 1 | 2002 | 2018-06-25 |
| 1,3,5-Trimethylbenzene | 1 | 2002 | 2018-06-19 |
| 1,2,4-Trimethylbenzene | 1 | 2002 | 2018-06-25 |
| Styrene | 1 | 2002 | 2018-06-19 |
| Benzene, 1-ethenyl-4-methyl | 1 | 2002 | 2014-06-22 |
| Benzaldehyde | 1 | 2002 | 2022-09-26 |
| Chlorobenzene | 1 | 2002 | 2018-06-25 |
| 1,2-Dichlorobenzene | 1 | 2002 | 2018-06-25 |
| 1,3-Dichlorobenzene | 1 | 2002 | 2018-06-25 |
| 1,4-Dichlorobenzene | 1 | 2002 | 2018-06-25 |
| Benzyl chloride | 1 | 2003 | 2018-06-25 |
| 1,2,4-Trichlorobenzene | 1 | 2003 | 2018-06-25 |
| Furan, tetrahydro- | 1 | 2003 | 2014-06-22 |
| Sample Flow Rate- CV | 1 | 1999 | 2009-12-30 |
| Sample Volume | 1 | 1999 | 2009-12-30 |
| Ambient Min Temperature | 1 | 1999 | 2009-12-30 |
| Ambient Max Temperature | 1 | 1999 | 2009-12-30 |
| Average Ambient Temperature | 1 | 1999 | 2009-12-30 |
| Sample Min Baro Pressure | 1 | 1999 | 2009-12-30 |
| Sample Max Baro Pressure | 1 | 1999 | 2009-12-30 |
| Average Ambient Pressure | 1 | 1999 | 2009-12-30 |
| Elapsed Sample Time | 1 | 1999 | 2009-12-30 |
| PM10 Total 0-10um STP | 1 | 1987 | 2010-09-17 |
| PM10 Total 0-10um STP | 2 | 1985 | 1987-02-26 |
| PM2.5 - Local Conditions | 1 | 1999 | 2009-12-30 |