The AMoN is the only network providing a consistent, long-term record of ammonia gas concentrations across the United States.
Monitoring Site Locations
Monitoring Site Metadata Get this table in Microsoft Excel
SiteCodeSiteNameCTSTEPACodeLatLonElevStartEnd
AL99Sand Mountain Research & Extension CenterUSAL 34.29-85.9734903/29/1104/08/14
AR03Caddo ValleyUSAR 34.18-93.17103/01/1103/25/14
AZ98ChiricahuaUSAZ 32.01-109.39157003/22/1103/25/14
CA44Yosemite NP - Turtleback DomeUSCA 37.71-119.71160503/15/1103/25/14
CA67Joshua Tree National Park-Black RockUSCA 34.07-116.39123903/01/1103/25/14
CA83Sequoia NP - Ash MountainUSCA 36.49-118.8245703/22/1103/25/14
CO10GothicUSCO 38.96-106.99291509/11/1203/25/14
CO13Fort CollinsUSCO 40.59-105.14157011/27/0703/11/14
CO88Rocky Mountain National Park - Longs PeakUSCO 40.28-105.55 05/10/1103/25/14
CO98Rocky Mountain National Park-Loch ValeUSCO 40.29-105.66315905/10/1103/25/14
CT15AbingtonUSCT 41.84-72.0120903/29/1103/25/14
FL11Everglades National Park-Research CenterUSFL 25.39-80.68203/15/1103/25/14
FL19Indian RiverUSFL 27.85-80.46 04/26/1103/25/14
GA40YorkvilleUSGA 33.93-85.0539512/23/1104/08/14
GA41Georgia StationUSGA 33.18-84.4126706/07/1104/08/14
ID03Craters of the Moon National MonumentUSID 43.46-113.56180706/07/1003/25/14
IL11BondvilleUSIL 40.05-88.3721210/30/0704/08/14
IL37StocktonUSIL 42.29-9027404/26/1104/08/14
IL46AlhambraUSIL 38.87-89.6216403/03/1103/25/14
IN99IndianapolisUSIN 39.81-86.1123010/30/0703/11/14
KS03ReserveUSKS 39.98-95.5726510/11/1104/08/14
KS31Konza PrairieUSKS 39.1-96.6135003/01/1103/25/14
KS98CoffeyvilleUSKS 37.05-95.6123010/30/0704/12/11
KY03MackvilleUSKY 37.7-85.0529303/01/1104/08/14
KY98CadizUSKY 36.78-87.8518903/15/1103/25/14
MD08Piney ReservoirUSMD 39.71-79.0176908/03/1003/25/14
MD99BeltsvilleUSMD 39.03-76.824608/03/1003/26/14
MI96DetroitUSMI 42.25-83.218010/29/0703/10/14
MN18FernbergUSMN 47.95-91.552410/30/0703/25/14
MN29Blue MoundsUSMN 43.67-96.2347810/30/0702/17/09
MN42Great River BluffsUSMN 44.05-91.6320210/30/0702/15/09
NC06BeaufortUSNC 34.88-76.62204/27/1003/25/14
NC25CoweetaUSNC 35.06-83.4368605/24/1104/08/14
NC26CandorUSNC 35.26-79.8419804/26/1104/08/14
NC30Duke ForestUSNC 35.97-79.0917406/24/0804/08/14
NC35Clinton Crops Research StationUSNC 35.03-78.284108/05/0802/02/10
NC99DurhamUSNC 35.89-78.888506/24/0801/27/09
NE98SanteeUSNE 42.83-97.8544304/26/1104/08/14
NH02Hubbard BrookUSNH 43.94-71.725006/05/1204/08/14
NJ98Washington Crossing CASTNETUSNJ 40.31-74.876103/01/1104/08/14
NM98Navajo LakeUSNM 36.81-107.65197201/11/0803/25/14
NM99FarmingtonUSNM 36.74-108.24163401/09/0803/25/14
NS01Kejimkujik National Park NS 44.43-65.2115510/08/1303/25/14
NY16Cary InstituteUSNY 41.79-73.7412810/13/0903/25/14
NY20Huntington WildlifeUSNY 43.97-74.2250006/05/1204/08/14
NY67IthacaUSNY 42.4-76.6650310/30/0703/25/14
NY94Nick's LakeUSNY 43.68-74.9852511/20/1203/25/14
NY98Whiteface MountainUSNY 44.39-73.8661011/20/1204/08/14
OH02Athens Super SiteUSOH 39.31-82.1227510/30/0704/08/14
OH27CincinnatiUSOH 39.15-84.5219410/30/0704/08/14
OH54Deer Creek State ParkUSOH 39.64-83.2626703/01/1103/25/14
OK99StilwellUSOK 35.75-94.6729910/30/0704/08/14
ON07Egbert ON 44.23-79.7919610/30/0711/09/10
ON25Bonner Lake ON 49.39-82.1224210/08/1303/25/14
ON26Longwoods ON 42.88-81.4823910/08/1303/25/14
PA00ArendtsvilleUSPA 39.92-77.3126910/13/0903/25/14
PA29Kane Experimental ForestUSPA 41.6-78.7761803/08/1103/25/14
PR20El VerdeUSPR 18.32-65.8238003/04/1404/08/14
SC05Cape Romain National Wildlife RefugeUSSC 32.94-79.66110/30/0702/24/14
TN01Great Smoky Mountains NP - Look RockUSTN 35.63-83.9479303/15/1103/25/14
TX43CañóncetaUSTX 34.88-101.67105710/30/0704/08/14
UT01LoganUSUT 41.67-111.89137011/08/1103/25/14
UT97Salt Lake CityUSUT 40.71-111.96129711/08/1103/25/14
VA24Prince EdwardUSVA 37.17-78.3115003/01/1104/08/14
VT99UnderhillUSVT 44.53-72.8739911/20/1203/25/14
WA99Mount Rainier National Park-Tahoma WoodsUSWA 46.76-122.1242403/17/1103/25/14
WI07Horicon MarshUSWI 43.47-88.6228710/30/0703/25/14
WI35PerkinstownUSWI 45.21-90.647203/29/1103/25/14
WV18ParsonsUSWV 39.09-79.6650506/07/1104/08/14
WY94Grand Tetons National ParkUSWY 43.83-110.7 09/22/1103/25/14
WY95Brooklyn LakeUSWY 41.36-106.24318106/19/1203/25/14
CodeNameUnitsfromSourceCodeSourceUnits
AIRVOLAir Volumem^3<--AIRVOLm^3
NH3Ammonia Gasµg/m^3 LC<--CONCµg/m^3 LC
FlagCodeDescriptionCategorySourceColumn
AFully qualified with no problemsValidityQR
BValid data with minor problemsValidityQR
CInvalid dataValidityQR
Additional Details
SourceUri --> all sites --> Bi-weekly samples, average of replicates