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Ann Arbor (ANA115)

Site Photos
Site Information
Site ID ANA115
Site name Ann Arbor
County Washtenaw
State abbreviation MI
AQS ID 261619991
Latitude; decimal degrees 42.416636
Longitude; decimal degrees -83.90218
Elevation; m 266
Operating agency EPA
Start date 04/14/1988
Primary Land Use Forest
Terrain surrounding site Flat
Distance to nearest NTN site; km .035
Co-located NADP/AMoN Site ID MI52
View Map View Map
Graphical Results
Composition of total nitrogen deposition by species
Trends in total nitrogen deposition
Trends in wet and dry nitrogen deposition
Composition of total sulfur deposition by species
Trends in total sulfur deposition
Trends in wet and dry sulfur deposition
Trend in maximum 8-hour average ozone concentrations
Trend in 3-year average of ozone W126 index
Site History
FILTER PACK : Sampling was suspended due to budget constraints. 10-MAY-22
OZONE : Ozone dryer installed 04-OCT-17
SHELTER_TEMPERATURE : A/C and Heat logger control installed. 04-OCT-15
TEMPERATURE : 9m temperature measurement with passive aspiration installed. 02-APR-15
SIGMA_THETA : Sensor unwired. 02-APR-15
TEMP2 : Sensor unwired. 02-APR-15
RELATIVE_HUMIDITY : Sensor unwired. 02-APR-15
WINDSPEED_SCALAR : Sensor unwired. 02-APR-15
WINDSPEED : Sensor unwired. 02-APR-15
WIND_DIRECTION : Sensor unwired. 02-APR-15
OZONE : Foam insulation added to sample line. 01-APR-14
OZONE : New certification range for site transfer standard 01-APR-14
OZONE : Knock-out bottle removed. 01-APR-14
OZONE : ZSP order changed to SPZ. 01-APR-14
OZONE : Replacement pressure transducer installed in site analyzer. 08-APR-12
OZONE : 10 ft. exhaust tubing added to both analyzers. 08-APR-12
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. 26-APR-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. 26-APR-11
OZONE : Ozone sample line filter removed from inside the shelter. 26-APR-11
DATALOGGER : CR3000 datalogger installed. Wiring standardized. 19-APR-09

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