Includes NPS monitors under the CASTNet program and those state stations that are in or very near National Parks
Monitoring Site Locations
Monitoring Site Metadata Get this table in Microsoft Excel
SiteCodeSiteNameCTSTEPACodeLatLonElevStartEnd
010331003Natchez Trace ParkwayUSAL01033100334.76-88.0114805/07/0909/30/09
020680003Denali Np & Pres - HeadquartersUSAK02068000363.72-148.9766307/01/8711/30/11
0400100121 Mi From Visitors Center, Petrified FnpUSAZ04001001235.08-109.77175504/01/8701/31/92
040038001Chiricahua Nm - Entrance StationUSAZ04003800132.01-109.39156901/01/9011/30/11
040052003The Abyss-W Rim Dr, Grand CanyonUSAZ04005200336.06-112.18207307/21/8112/31/92
040058001Grand Canyon Np - The AbyssUSAZ04005800136.06-112.18207001/01/9311/30/11
040170119Petrified Forest Np - South EntranceUSAZ04017011934.82-109.89171210/01/0211/30/11
040190013Saguaro Nm, Headquarters AreaUSAZ04019001332.18-110.7495706/01/8203/31/95
040190021Saguaro ParkUSAZ04019002132.17-110.7493801/01/9212/31/10
060150002Redwood NpUSCA06015000241.56-124.0823511/23/8705/03/95
060270101Death Valley Np - Park VillageUSCA06027010136.51-116.8512512/10/9311/30/11
060371902Franklin Canyon, Santa Monica Mtns NraUSCA06037190234.11-118.4119108/30/8402/29/92
060410002Point Reyes Ns Ranger StationUSCA06041000238.12-122.917611/19/8711/14/92
060430003Yosemite Np - Turtleback DomeUSCA06043000337.71-119.71159901/01/9211/30/11
060430004Yosemite National Park - Wawona ValleyUSCA06043000437.54-119.66128004/01/8710/31/96
060430005Yosemite National Park - HeadquartersUSCA06043000537.75-119.59121912/01/8911/16/94
060430033Yosemite National Park - Merced River SiteUSCA06043003337.74-119.59121908/01/0212/31/05
060431002Yosemite National Park - Mobile 1USCA06043100237.75-119.59121904/27/0707/10/08
060431003Yosemite National Park - Mobile 2USCA06043100337.84-119.45248706/28/0709/30/07
060431004Yosemite National Park - School YardUSCA06043100437.75-119.59123406/07/0609/30/11
060431005Yosemite National Park - Glacier PointUSCA06043100537.73-119.57172807/14/0809/30/11
060650008Joshua Tree Np - CottonwoodUSCA06065000833.74-115.8298412/15/0510/31/11
060651004Joshua Tree Np - Pinto WellsUSCA06065100433.94-115.4132605/11/0611/30/11
060659002Site Moved From Lost Horse To Black Rock Canyon...USCA06065900234.02-116.19126506/05/8709/22/93
060690003Pinnacles Np - Southwest Of East Entrance StationUSCA06069000336.48-121.1631704/01/8711/30/11
060711001Mojave Np & Pres - Kelso MountainsUSCA06071100135.1-115.78121205/09/0710/31/11
060711001Mojave Np & Pres - Kelso Mountains (#2)USCA06071100135.1-115.78121204/15/1010/31/11
060719002Joshua Tree Np - Black RockUSCA06071900234.07-116.39124310/01/9311/30/11
060832012Santa Rosa Island - Becher'S Bay - Channel Isla...USCA06083201234-120.051801/01/9712/31/04
060893003Lassen Volcanic Np - Manzanita Lake Fire StationUSCA06089300340.54-121.58175510/23/8711/30/11
061070005Ash Mountain, Sequoia NpUSCA06107000536.49-118.8361006/16/8210/31/96
061070006Sequoia & Kings Canyon Nps - Lower KaweahUSCA06107000636.57-118.78189006/06/8411/30/11
061070007Grant Grove Village, Kings Canyon NpUSCA06107000736.74-118.96201212/08/8912/19/95
061070008Sequoia Np-Lookout Point Ranger StationUSCA06107000836.43-118.76002/08/9712/31/04
061070009Sequoia & Kings Canyon Nps - Ash MountainUSCA06107000936.49-118.8351007/01/9911/30/11
061090004Camp Mather, Yosemite NpUSCA06109000437.89-119.84143202/18/8808/13/96
080030002Great Sand Dunes NmUSCO08003000237.71-105.52248703/24/8809/30/91
080570003Walden - Colorado, Chandler RanchUSCO08057000340.88-106.31241710/11/1111/30/11
080677001Located In Pine River Valley, The Most Densely ...USCO08067700137.14-107.63198305/01/0410/31/04
080677003Site Is Located On The Eastern Rim Of The Anima...USCO08067700337.1-107.87192005/01/0410/31/04
080690007Rocky Mountain Np - Long'S PeakUSCO08069000740.28-105.55274207/01/8711/30/11
080690007Rocky Mountain Np - Long'S Peak (#2)USCO08069000740.28-105.55274211/02/9412/31/97
080770600Colorado NmUSCO08077060039.11-108.74175012/06/8407/08/92
080771001Colorado National MonumentUSCO08077100139.11-108.74174005/01/0609/29/11
080830101Mesa Verde Np - Resource Management AreaUSCO08083010137.2-108.49217006/18/9311/30/11
081030005Meeker, Colorado Plant Science BuildingUSCO08103000540.04-107.85199401/08/1011/30/11
081030006Rangely, Golf CourseUSCO08103000640.09-108.76165508/07/1011/30/11
110010025Takoma SchoolUSDC11001002538.58-77.129101/01/0312/31/08
120330018Pensacola NasUSFL12033001830.37-87.27304/01/0409/13/04
120860029PerdueUSFL12086002925.59-80.33401/01/0312/31/10
120860030Site Moved Across Road From Beard Center To Beh...USFL12086003025.39-80.68109/01/8212/31/04
150010005Hawaii Volcanoes Np - Kilauea Visitors CenterUSHI15001000519.43-155.26120111/07/8606/02/95
150010006Hawaii Volcanoes Np - ThurstonUSHI15001000619.42-155.24010/01/9901/05/04
150090101535 Olinda Rd, MakawaoUSHI15009010120.81-156.28109706/13/9106/22/95
160230101Craters Of The Moon Nm & Pres - Visitor CenterUSID16023010143.46-113.56181510/01/9211/30/11
160310001City Of Rocks National Reserve - Juniper Campgr...USID16031000142.03-113.73191404/15/1009/26/11
180890022Gary-Iitri/ 1219.5 Meters East Of Tennessee St....USIN18089002241.61-87.318304/01/0309/30/10
180910005Michigan City- W. Michigan Blvd./ Nipsco Gas S...USIN18091000541.72-86.9119104/01/0309/30/08
181270020Indiana Dunes N. LakeshoreUSIN18127002041.63-87.0920810/01/8310/31/95
181270024Ogden Dunes- Water Treatment PlantUSIN18127002441.62-87.218304/01/0309/30/08
210131002Cumberland Gap National Historic ParkUSKY21013100236.67-83.53101304/26/0610/01/11
210610500Mammoth Cave NpUSKY21061050037.22-86.0721912/20/8407/20/97
210610501Mammoth Cave Np - Houchin MeadowUSKY21061050137.13-86.1423008/01/9711/30/11
211231001Abraham Lincoln Birthplace National Historic ParkUSKY21123100137.53-85.7324005/02/0609/30/07
211990003SomersetUSKY21199000337.1-84.6130604/01/0410/31/04
230090001Seawall-Ranger GarageUSME23009000144.24-68.31804/16/0009/30/01
230090101Acadia National Park Ranger Station;Site Moved ...USME23009010144.37-68.2612210/06/8209/30/97
230090102Top Of Cadillac Mtn (Fenced Enclosure)USME23009010244.35-68.2346607/25/9509/30/10
230090103Mcfarland Hill Air Pollutant Research SiteUSME23009010344.38-68.2613002/09/9810/31/11
240471001Assateague Island National SeashoreUSMD24047100138.25-75.16307/05/0509/30/10
250010002Truro National SeashoreUSMA25001000241.98-70.024104/01/8710/05/10
250034002Mt Greylock SummitUSMA25003400242.64-73.17114005/13/0309/30/08
250092006Lynn Water Treatment PlantUSMA25009200642.47-70.975201/01/0312/31/08
250250041Boston Long IslandUSMA25025004142.32-70.971004/01/0309/30/08
260610101Isle Royle NpUSMI26061010148.11-88.6134706/21/8709/30/91
261530001SeneyUSMI26153000146.29-85.95004/01/0410/31/04
270031002Anoka County AirportUSMN27003100245.14-93.2128004/05/0312/31/08
270710101Voyageurs NpUSMN27071010148.59-93.1734304/01/8706/10/96
270750005Boundary WatersUSMN27075000547.95-91.552804/01/0409/30/04
271370034Voyageurs Np - Sullivan BayUSMN27137003448.41-92.8342706/14/9611/30/11
271636015Washington CountyUSMN27163601545.12-92.8631904/04/0309/30/08
281551001Natchez Trace ParkwayUSMS28155100133.66-89.069404/11/0608/28/08
300298001Glacier Np - West Glacier Horse StablesUSMT30029800148.51-11496401/01/9211/30/11
300351001Glacier National Park - Portable Ozone UnitUSMT30035100148.74-113.43138405/05/0909/29/10
311570005Scott'S Bluff National MonumentUSNE31157000541.83-103.71118404/29/1009/10/11
311651001Agate Fossil Beds National MonumentUSNE31165100142.43-103.73134407/27/0709/06/09
320030007545 Lake Mead Dr, HendersonUSNV32003000736.03-114.9957904/01/0409/30/04
320030023MesquiteUSNV32003002336.81-114.0649004/01/0409/30/04
320330101Great Basin Np - Maintenance YardUSNV32033010139.01-114.22205809/01/9311/30/11
350010027Westside Taylor RanchUSNM35001002735.15-106.7155801/01/0312/31/08
350153001Carlsbad Caverns Np - Maintenance AreaUSNM35015300132.18-104.44134906/15/0609/29/11
350281002North Side Of Nm 4USNM35028100235.8-106.3010/01/8909/30/94
360910004StillwaterUSNY36091000443.01-73.6511701/01/0312/31/08
370110002Linville FallsUSNC37011000235.97-81.9398704/01/0310/31/08
370210030Bent CreekUSNC37021003035.5-82.667504/01/0310/31/08
370810013Mendenhall SchoolUSNC37081001336.11-79.824704/15/0510/31/08
370870035Frying Pan MountainUSNC37087003535.38-82.79161804/01/0310/31/08
370870036Purchase KnobUSNC37087003635.59-83.07155006/06/9510/31/10
370990005Ozone Monitor On Sw Side Of Tower/Met Equipment...USNC37099000535.52-83.24143304/02/0310/31/07
371990003State Highway 128USNC37199000335.74-82.29198204/01/0305/31/06
380070002Painted CanyonUSND38007000246.89-103.3883208/14/9812/31/10
391530020Patterson ParkUSOH39153002041.11-81.530504/01/0310/31/08
391532004Cuyahoga ValleyUSOH39153200441.22-81.5830007/01/8501/31/92
450210002CowpensUSSC45021000235.13-81.8229604/21/8812/15/10
450210003Kings Mountain Nmp - Brown'S MountainUSSC45021000335.13-81.4134004/22/1109/30/11
450790021Congaree BluffUSSC45079002133.81-80.783403/17/0012/22/10
450791006Congaree National ParkUSSC45079100633.82-80.833003/27/8112/10/00
460330132Wind Cave Np - Visitor CenterUSSD46033013243.56-103.48128801/01/0512/31/10
460710001South Of Badlands Np HeadquartersUSSD46071000143.75-101.9474211/01/8712/31/10
470090101Great Smoky Mountains Np - Look RockUSTN47009010135.63-83.9480107/23/8811/30/11
470090102Great Smoky Mountains Np - Cade'S CoveUSTN47009010235.6-83.7856409/03/9310/30/10
471550101Great Smoky Mountains Np - Cove MountainUSTN47155010135.7-83.61124307/24/8811/30/11
471550102Great Smoky Mountains Np - Clingman'S DomeUSTN47155010235.56-83.5202106/01/9311/01/11
480430101Big Bend Np - K-Bar Ranch RoadUSTX48043010129.3-103.18105709/15/9011/30/11
481090101Guadalupe Mountains NpUSTX48109010131.83-104.81165808/10/8710/12/92
481410044El Paso ChamizalUSTX48141004431.77-106.46112201/31/9212/31/10
481710001Lyndon B. Johnson Nmp - Hay BarnUSTX48171000130.26-98.6347003/29/1109/30/11
482731001Padre Island National SeashoreUSTX48273100127.43-97.3605/01/0507/21/08
483739991Alabama-CoushattaUSTX48373999130.7-94.6710104/04/0412/31/07
484570101Big Thicket N Preserve Turkey Creek UnitUSTX48457010130.54-94.353211/01/8501/31/92
490190101Arches NpUSUT49019010138.78-109.6156710/15/8707/07/92
490370101Canyonlands Np - Island In The SkyUSUT49037010138.46-109.82179408/13/9211/30/11
490471002Dinosaur Nm - West Entrance HousingUSUT49047100240.44-109.3146305/01/0511/30/11
490471002Dinosaur Nm - West Entrance Housing (#2)USUT49047100240.44-109.3146309/28/1111/30/11
490530130Zion Np - Dalton'S WashUSUT49053013037.2-113.15121301/12/0411/30/11
510150004Shenandoah Np Sawmill RunUSVA51015000438.11-78.8344505/17/8310/17/94
511130003Shenandoah Np - Big MeadowsUSVA51113000338.52-78.43106805/04/8311/30/11
511611004East Vinton Elementary SchoolUSVA51161100437.28-79.8834004/01/0310/31/08
511630003Natural Bridge Ranger StationUSVA51163000337.63-79.5128104/01/0310/31/08
511870002Shenandoah Np Dickey RidgeUSVA51187000238.86-78.261005/01/8310/17/94
515100009Alexandria Health Dept.USVA51510000938.81-77.04904/01/0310/30/08
530090005Blyn Lookout Relay Site, SequimUSWA53009000548.01-122.9760005/11/0509/30/05
530090012Olympic National ParkUSWA53009001248.1-123.4312508/14/8512/31/04
530090016Olympic National Park - Deer ParkUSWA53009001647.95-123.27157306/09/1010/06/11
530091004Olympic National Park - Hurricane Ridge PortableUSWA53009100448-123.3893905/26/0409/30/08
530530012Mt Rainier - Jackson Visitiors CenterUSWA53053001246.78-121.74161501/01/0512/31/10
530530027Mt. Rainier - Paradise Ozone StationUSWA53053002746.79-121.74006/12/9607/07/98
530531010Mount Rainier National Park, Tahoma WoodsUSWA53053101046.76-122.1242007/18/9111/30/11
530570013Located Near Visitors CenterUSWA53057001348.54-121.4510902/16/9612/31/07
551091002SomersetUSWI55109100245.12-92.6627804/24/0312/31/08
560111013Devil'S Tower National MonumentUSWY56011101344.6-104.7120006/12/0809/29/11
560390008Grand Teton Np - Science SchoolUSWY56039000843.67-110.6210508/22/1111/30/11
560391010Yellowstone Np Lake Lodge AreaUSWY56039101044.55-110.4236106/22/8706/24/96
560391011Yellowstone Np - Water TankUSWY56039101144.57-110.4243007/01/9611/30/11
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