US counties by highest daily Air Quality Index (US EPA), 2016

Mono County 7,063, the highest of 1008 counties, 2016

Baldwin County: 87 indexClay County: 61 indexColbert County: 115 indexDeKalb County: 119 indexElmore County: 77 indexEtowah County: 190 indexHouston County: 97 indexJefferson County: 151 indexLawrence County: 105 indexMadison County: 122 indexMobile County: 139 indexMontgomery County: 176 indexMorgan County: 107 indexRussell County: 100 indexShelby County: 133 indexSumter County: 74 indexTalladega County: 82 indexTuscaloosa County: 100 indexAleutians East Borough: 59 indexAnchorage Municipality: 91 indexDenali Borough: 54 indexFairbanks North Star Borough: 190 indexJuneau City and Borough: 90 indexKenai Peninsula Borough: 34 indexMatanuska-Susitna Borough: 128 indexApache County: 56 indexCochise County: 141 indexCoconino County: 97 indexGila County: 115 indexLa Paz County: 101 indexMaricopa County: 227 indexMohave County: 83 indexNavajo County: 90 indexPima County: 119 indexPinal County: 1,348 indexSanta Cruz County: 209 indexYavapai County: 90 indexYuma County: 410 indexArkansas County: 74 indexAshley County: 72 indexClark County: 54 indexCrittenden County: 159 indexGarland County: 70 indexJackson County: 79 indexNewton County: 90 indexPolk County: 87 indexPulaski County: 100 indexUnion County: 74 indexWashington County: 77 indexAlameda County: 154 indexAlpine County: 69 indexAmador County: 115 indexButte County: 127 indexCalaveras County: 150 indexColusa County: 92 indexContra Costa County: 143 indexDel Norte County: 69 indexEl Dorado County: 172 indexFresno County: 190 indexGlenn County: 92 indexHumboldt County: 77 indexImperial County: 546 indexInyo County: 418 indexKern County: 169 indexKings County: 156 indexLake County: 74 indexLos Angeles County: 226 indexMadera County: 156 indexMarin County: 90 indexMariposa County: 159 indexMendocino County: 70 indexMerced County: 151 indexMono County: 7,063 indexMonterey County: 185 indexNapa County: 90 indexNevada County: 179 indexOrange County: 169 indexPlacer County: 166 indexPlumas County: 152 indexRiverside County: 379 indexSacramento County: 172 indexSan Benito County: 126 indexSan Bernardino County: 217 indexSan Diego County: 164 indexSan Francisco County: 71 indexSan Joaquin County: 166 indexSan Luis Obispo County: 156 indexSan Mateo County: 70 indexSanta Barbara County: 313 indexSanta Clara County: 101 indexSanta Cruz County: 76 indexShasta County: 140 indexSiskiyou County: 93 indexSolano County: 105 indexSonoma County: 87 indexStanislaus County: 164 indexSutter County: 147 indexTehama County: 174 indexTrinity County: 97 indexTulare County: 177 indexTuolumne County: 164 indexVentura County: 147 indexYolo County: 115 indexAdams County: 105 indexAlamosa County: 271 indexArapahoe County: 119 indexArchuleta County: 82 indexBoulder County: 97 indexChaffee County: 105 indexClear Creek County: 154 indexDelta County: 64 indexDenver County: 112 indexDouglas County: 151 indexEl Paso County: 126 indexFremont County: 50 indexGarfield County: 126 indexGrand County: 80 indexGunnison County: 87 indexJackson County: 53 indexJefferson County: 159 indexLa Plata County: 122 indexLarimer County: 151 indexMesa County: 102 indexMoffat County: 67 indexMontezuma County: 97 indexMontrose County: 84 indexPark County: 133 indexPitkin County: 44 indexProwers County: 115 indexPueblo County: 64 indexRio Blanco County: 90 indexRoutt County: 60 indexSan Juan County: 31 indexSan Miguel County: 105 indexWeld County: 129 indexKent County: 136 indexNew Castle County: 154 indexSussex County: 129 indexDistrict of Columbia: 129 indexAlachua County: 101 indexBaker County: 80 indexBay County: 87 indexBrevard County: 84 indexBroward County: 93 indexCitrus County: 104 indexCollier County: 87 indexColumbia County: 90 indexDuval County: 97 indexEscambia County: 97 indexFlagler County: 74 indexHamilton County: 74 indexHighlands County: 87 indexHillsborough County: 154 indexHolmes County: 80 indexIndian River County: 84 indexLake County: 115 indexLee County: 105 indexLeon County: 85 indexLiberty County: 67 indexManatee County: 87 indexMarion County: 105 indexMartin County: 87 indexMiami-Dade County: 144 indexNassau County: 86 indexOkaloosa County: 71 indexOrange County: 97 indexOsceola County: 90 indexPalm Beach County: 164 indexPasco County: 105 indexPinellas County: 97 indexPolk County: 90 indexPutnam County: 45 indexSt. Lucie County: 93 indexSanta Rosa County: 80 indexSarasota County: 97 indexSeminole County: 87 indexVolusia County: 90 indexWakulla County: 183 indexBibb County: 147 indexCharlton County: 69 indexChatham County: 143 indexChattooga County: 93 indexClarke County: 166 indexClayton County: 145 indexCobb County: 200 indexCoffee County: 59 indexColumbia County: 93 indexCoweta County: 154 indexDawson County: 126 indexDeKalb County: 151 indexDougherty County: 94 indexDouglas County: 151 indexFloyd County: 88 indexFulton County: 156 indexGlynn County: 129 indexGwinnett County: 147 indexHall County: 156 indexHenry County: 159 indexHouston County: 107 indexLowndes County: 77 indexMurray County: 112 indexMuscogee County: 148 indexPaulding County: 126 indexPike County: 126 indexRichmond County: 165 indexRockdale County: 140 indexSumter County: 101 indexWalker County: 183 indexWashington County: 105 indexWilkinson County: 151 indexHawaii County: 117 indexHonolulu County: 64 indexKauai County: 59 indexMaui County: 130 indexAda County: 116 indexBannock County: 86 indexBenewah County: 177 indexBlaine County: 93 indexBoise County: 157 indexBonner County: 83 indexBonneville County: 69 indexButte County: 108 indexCanyon County: 117 indexCuster County: 170 indexFranklin County: 125 indexIdaho County: 82 indexJerome County: 53 indexKootenai County: 85 indexLatah County: 63 indexLemhi County: 160 indexNez Perce County: 141 indexShoshone County: 150 indexTwin Falls County: 69 indexValley County: 90 indexAdams County: 80 indexChampaign County: 100 indexClark County: 101 indexCook County: 169 indexDuPage County: 136 indexEffingham County: 93 indexHamilton County: 100 indexJersey County: 150 indexJo Daviess County: 108 indexKane County: 140 indexLake County: 140 indexMcHenry County: 129 indexMcLean County: 108 indexMacon County: 97 indexMacoupin County: 97 indexMadison County: 129 indexPeoria County: 108 indexRandolph County: 119 indexRock Island County: 108 indexSt. Clair County: 126 indexSangamon County: 105 indexWill County: 105 indexWinnebago County: 105 indexAllen County: 119 indexBartholomew County: 105 indexBoone County: 126 indexBrown County: 101 indexCarroll County: 101 indexClark County: 143 indexDelaware County: 115 indexDubois County: 76 indexElkhart County: 131 indexFloyd County: 143 indexGreene County: 140 indexHamilton County: 115 indexHendricks County: 100 indexHenry County: 69 indexHoward County: 84 indexHuntington County: 105 indexJackson County: 129 indexJohnson County: 100 indexKnox County: 119 indexLake County: 242 indexLaPorte County: 112 indexMadison County: 97 indexMarion County: 143 indexMonroe County: 66 indexMorgan County: 105 indexPerry County: 136 indexPorter County: 126 indexPosey County: 112 indexSt. Joseph County: 119 indexShelby County: 101 indexSpencer County: 80 indexTippecanoe County: 88 indexVanderburgh County: 140 indexVigo County: 108 indexWabash County: 115 indexWarrick County: 151 indexWhitley County: 79 indexBlack Hawk County: 118 indexBremer County: 80 indexCerro Gordo County: 59 indexClinton County: 108 indexDelaware County: 81 indexHarrison County: 84 indexJohnson County: 100 indexLee County: 74 indexLinn County: 106 indexMontgomery County: 121 indexMuscatine County: 96 indexPalo Alto County: 155 indexPolk County: 138 indexPottawattamie County: 71 indexScott County: 112 indexStory County: 77 indexVan Buren County: 158 indexWarren County: 71 indexWoodbury County: 66 indexChase County: 148 indexFord County: 67 indexJohnson County: 87 indexLeavenworth County: 97 indexNeosho County: 87 indexSedgwick County: 195 indexShawnee County: 87 indexSherman County: 98 indexSumner County: 90 indexTrego County: 67 indexWyandotte County: 129 indexBell County: 165 indexBoone County: 87 indexBoyd County: 126 indexBullitt County: 122 indexCampbell County: 115 indexCarter County: 103 indexChristian County: 90 indexDaviess County: 156 indexEdmonson County: 97 indexFayette County: 93 indexGreenup County: 84 indexHancock County: 126 indexHardin County: 101 indexHenderson County: 112 indexJefferson County: 151 indexJessamine County: 126 indexLivingston County: 115 indexMcCracken County: 105 indexMadison County: 91 indexMorgan County: 112 indexOldham County: 112 indexPerry County: 168 indexPike County: 126 indexPulaski County: 90 indexSimpson County: 101 indexTrigg County: 80 indexWarren County: 93 indexWashington County: 90 indexAscension Parish: 112 indexBossier Parish: 90 indexCaddo Parish: 84 indexCalcasieu Parish: 112 indexEast Baton Rouge Parish: 146 indexIberville Parish: 101 indexJefferson Parish: 126 indexLafayette Parish: 90 indexLafourche Parish: 93 indexLivingston Parish: 112 indexOrleans Parish: 73 indexOuachita Parish: 75 indexPointe Coupee Parish: 100 indexRapides Parish: 66 indexSt. Bernard Parish: 115 indexSt. James Parish: 84 indexSt. John the Baptist Parish: 105 indexSt. Martin Parish: 97 indexSt. Tammany Parish: 119 indexTangipahoa Parish: 65 indexTerrebonne Parish: 76 indexWest Baton Rouge Parish: 112 indexAndroscoggin County: 82 indexAroostook County: 169 indexCumberland County: 97 indexFranklin County: 72 indexHancock County: 122 indexKennebec County: 84 indexKnox County: 122 indexOxford County: 90 indexPenobscot County: 78 indexWashington County: 74 indexYork County: 108 indexAnne Arundel County: 140 indexBaltimore County: 204 indexCalvert County: 115 indexCarroll County: 122 indexCecil County: 154 indexCharles County: 133 indexDorchester County: 122 indexFrederick County: 122 indexGarrett County: 97 indexHarford County: 154 indexHoward County: 87 indexKent County: 150 indexMontgomery County: 100 indexPrince George's County: 129 indexWashington County: 112 indexBaltimore city: 156 indexBarnstable County: 115 indexBerkshire County: 82 indexBristol County: 133 indexDukes County: 126 indexEssex County: 105 indexFranklin County: 115 indexHampden County: 161 indexHampshire County: 159 indexMiddlesex County: 100 indexNorfolk County: 143 indexPlymouth County: 105 indexSuffolk County: 90 indexWorcester County: 143 indexAllegan County: 150 indexBay County: 83 indexBenzie County: 143 indexBerrien County: 140 indexCass County: 129 indexChippewa County: 101 indexClinton County: 122 indexGenesee County: 129 indexHuron County: 119 indexIngham County: 126 indexKalamazoo County: 119 indexKent County: 129 indexKeweenaw County: 55 indexLenawee County: 119 indexMacomb County: 147 indexManistee County: 133 indexMason County: 129 indexMissaukee County: 115 indexMonroe County: 72 indexMuskegon County: 159 indexOakland County: 126 indexOttawa County: 133 indexSt. Clair County: 140 indexSchoolcraft County: 147 indexTuscola County: 115 indexWashtenaw County: 122 indexWayne County: 133 indexWexford County: 126 indexAnoka County: 145 indexBecker County: 90 indexBeltrami County: 75 indexCarlton County: 101 indexCook County: 58 indexCrow Wing County: 84 indexDakota County: 135 indexGoodhue County: 87 indexHennepin County: 145 indexLake County: 86 indexLyon County: 110 indexMille Lacs County: 77 indexOlmsted County: 104 indexRamsey County: 151 indexSt. Louis County: 128 indexScott County: 93 indexStearns County: 97 indexWashington County: 89 indexWinona County: 72 indexWright County: 140 indexBolivar County: 93 indexDeSoto County: 115 indexForrest County: 74 indexGrenada County: 69 indexHancock County: 90 indexHarrison County: 97 indexHinds County: 100 indexJackson County: 93 indexLauderdale County: 71 indexLee County: 80 indexYalobusha County: 64 indexAndrew County: 100 indexBoone County: 97 indexBuchanan County: 96 indexCallaway County: 101 indexCass County: 80 indexCedar County: 71 indexClay County: 119 indexClinton County: 129 indexGreene County: 71 indexJackson County: 105 indexJasper County: 110 indexJefferson County: 108 indexLincoln County: 101 indexMonroe County: 87 indexPerry County: 119 indexSt. Charles County: 151 indexSte. Genevieve County: 105 indexSt. Louis County: 136 indexStoddard County: 89 indexTaney County: 67 indexSt. Louis city: 162 indexCascade County: 75 indexFergus County: 88 indexFlathead County: 80 indexGallatin County: 479 indexLake County: 130 indexLewis and Clark County: 146 indexLincoln County: 99 indexMissoula County: 139 indexPhillips County: 95 indexPowder River County: 100 indexPowell County: 58 indexRavalli County: 160 indexRichland County: 99 indexRoosevelt County: 80 indexRosebud County: 132 indexSanders County: 91 indexSheridan County: 81 indexSilver Bow County: 94 indexYellowstone County: 124 indexCass County: 99 indexDawson County: 49 indexDouglas County: 130 indexHall County: 59 indexKnox County: 101 indexLancaster County: 74 indexSarpy County: 120 indexScotts Bluff County: 62 indexThomas County: 51 indexWashington County: 66 indexChurchill County: 108 indexClark County: 268 indexDouglas County: 105 indexElko County: 134 indexLyon County: 101 indexNye County: 343 indexWashoe County: 108 indexWhite Pine County: 93 indexCarson City: 93 indexBelknap County: 84 indexCheshire County: 105 indexCoos County: 119 indexGrafton County: 77 indexHillsborough County: 108 indexMerrimack County: 84 indexRockingham County: 122 indexAtlantic County: 129 indexBergen County: 151 indexCamden County: 136 indexCumberland County: 136 indexEssex County: 136 indexGloucester County: 143 indexHudson County: 119 indexHunterdon County: 156 indexMercer County: 151 indexMiddlesex County: 151 indexMonmouth County: 136 indexMorris County: 151 indexOcean County: 161 indexPassaic County: 136 indexUnion County: 90 indexWarren County: 119 indexBernalillo County: 143 indexCatron County: 62 indexChaves County: 90 indexDoña Ana County: 594 indexEddy County: 100 indexLea County: 97 indexLincoln County: 73 indexLos Alamos County: 32 indexLuna County: 162 indexRio Arriba County: 80 indexSandoval County: 90 indexSan Juan County: 108 indexSanta Fe County: 90 indexSocorro County: 71 indexTaos County: 59 indexValencia County: 97 indexAlbany County: 119 indexBronx County: 140 indexChautauqua County: 140 indexDutchess County: 122 indexErie County: 136 indexEssex County: 112 indexFranklin County: 51 indexHamilton County: 112 indexHerkimer County: 108 indexJefferson County: 122 indexKings County: 83 indexMonroe County: 122 indexNassau County: 72 indexNew York County: 126 indexNiagara County: 119 indexOneida County: 69 indexOnondaga County: 122 indexOrange County: 112 indexOswego County: 101 indexPutnam County: 156 indexQueens County: 143 indexRichmond County: 151 indexRockland County: 136 indexSaratoga County: 119 indexSteuben County: 122 indexSuffolk County: 150 indexTompkins County: 122 indexWayne County: 136 indexWestchester County: 140 indexAlexander County: 100 indexAvery County: 149 indexBuncombe County: 173 indexCaldwell County: 90 indexCarteret County: 93 indexCaswell County: 97 indexCatawba County: 154 indexCumberland County: 93 indexDavidson County: 94 indexDurham County: 119 indexEdgecombe County: 97 indexForsyth County: 119 indexGraham County: 112 indexGranville County: 97 indexGuilford County: 133 indexHaywood County: 142 indexHyde County: 58 indexJackson County: 155 indexJohnston County: 107 indexLee County: 100 indexLenoir County: 97 indexLincoln County: 156 indexMacon County: 101 indexMartin County: 97 indexMecklenburg County: 155 indexMitchell County: 162 indexMontgomery County: 87 indexNew Hanover County: 90 indexPerson County: 101 indexPitt County: 100 indexRockingham County: 101 indexRowan County: 97 indexSwain County: 182 indexUnion County: 108 indexWake County: 135 indexYancey County: 115 indexBillings County: 92 indexBurke County: 78 indexBurleigh County: 117 indexCass County: 87 indexDunn County: 90 indexMcKenzie County: 89 indexMercer County: 107 indexOliver County: 92 indexStutsman County: 88 indexWilliams County: 94 indexAdams County: 73 indexAllen County: 122 indexAshtabula County: 126 indexAthens County: 61 indexBelmont County: 100 indexButler County: 136 indexClark County: 119 indexClermont County: 133 indexClinton County: 112 indexColumbiana County: 36 indexCuyahoga County: 112 indexDelaware County: 112 indexFayette County: 108 indexFranklin County: 126 indexGeauga County: 140 indexGreene County: 105 indexHamilton County: 140 indexJefferson County: 105 indexKnox County: 100 indexLake County: 143 indexLawrence County: 119 indexLicking County: 108 indexLorain County: 115 indexLucas County: 112 indexMadison County: 112 indexMahoning County: 78 indexMedina County: 105 indexMiami County: 101 indexMontgomery County: 112 indexNoble County: 105 indexPortage County: 90 indexPreble County: 105 indexScioto County: 129 indexStark County: 119 indexSummit County: 112 indexTrumbull County: 133 indexWarren County: 129 indexWashington County: 90 indexWood County: 115 indexAdair County: 91 indexCaddo County: 61 indexCanadian County: 97 indexCarter County: 129 indexCherokee County: 77 indexCleveland County: 101 indexComanche County: 87 indexCotton County: 90 indexCreek County: 87 indexCuster County: 64 indexDewey County: 87 indexGrady County: 33 indexJohnston County: 108 indexKay County: 126 indexLincoln County: 105 indexMcClain County: 87 indexMayes County: 93 indexMuskogee County: 76 indexOklahoma County: 129 indexOsage County: 93 indexOttawa County: 81 indexPittsburg County: 85 indexSequoyah County: 74 indexTulsa County: 164 indexWashington County: 100 indexBaker County: 77 indexBenton County: 68 indexClackamas County: 108 indexColumbia County: 64 indexCrook County: 115 indexDeschutes County: 65 indexDouglas County: 69 indexGrant County: 85 indexHarney County: 115 indexJackson County: 83 indexJosephine County: 87 indexKlamath County: 92 indexLake County: 161 indexLane County: 108 indexLinn County: 80 indexMarion County: 97 indexMultnomah County: 108 indexUmatilla County: 112 indexUnion County: 99 indexWallowa County: 78 indexWasco County: 80 indexWashington County: 84 indexAdams County: 119 indexAllegheny County: 152 indexArmstrong County: 119 indexBeaver County: 126 indexBerks County: 129 indexBlair County: 122 indexBradford County: 97 indexBucks County: 147 indexCambria County: 97 indexCentre County: 122 indexChester County: 143 indexClearfield County: 119 indexCumberland County: 116 indexDauphin County: 115 indexDelaware County: 136 indexElk County: 126 indexErie County: 129 indexFranklin County: 74 indexGreene County: 105 indexIndiana County: 136 indexLackawanna County: 129 indexLancaster County: 136 indexLawrence County: 112 indexLebanon County: 122 indexLehigh County: 129 indexLuzerne County: 119 indexLycoming County: 108 indexMercer County: 143 indexMonroe County: 140 indexMontgomery County: 140 indexNorthampton County: 242 indexPhiladelphia County: 147 indexSomerset County: 105 indexTioga County: 112 indexWashington County: 129 indexWestmoreland County: 112 indexYork County: 133 indexKent County: 147 indexProvidence County: 140 indexWashington County: 151 indexAbbeville County: 87 indexAiken County: 84 indexAnderson County: 90 indexBerkeley County: 74 indexCharleston County: 160 indexCherokee County: 101 indexChesterfield County: 139 indexColleton County: 153 indexDarlington County: 87 indexEdgefield County: 171 indexFlorence County: 85 indexGeorgetown County: 62 indexGreenville County: 203 indexHorry County: 39 indexLexington County: 171 indexOconee County: 133 indexPickens County: 108 indexRichland County: 174 indexSpartanburg County: 126 indexYork County: 105 indexBrookings County: 101 indexBrown County: 79 indexCodington County: 73 indexCuster County: 97 indexHughes County: 69 indexJackson County: 97 indexMeade County: 74 indexMinnehaha County: 105 indexPennington County: 101 indexUnion County: 112 indexAnderson County: 93 indexBlount County: 161 indexClaiborne County: 108 indexDavidson County: 126 indexDeKalb County: 84 indexDyer County: 61 indexHamilton County: 186 indexJefferson County: 133 indexKnox County: 175 indexLawrence County: 84 indexLoudon County: 169 indexMcMinn County: 172 indexMadison County: 63 indexMaury County: 81 indexMontgomery County: 68 indexPutnam County: 89 indexRoane County: 166 indexSevier County: 112 indexShelby County: 136 indexSullivan County: 127 indexSumner County: 105 indexUnion County: 19 indexWilliamson County: 108 indexWilson County: 97 indexBell County: 100 indexBexar County: 164 indexBowie County: 79 indexBrazoria County: 115 indexBrewster County: 84 indexCameron County: 110 indexCollin County: 119 indexCulberson County: 53 indexDallas County: 140 indexDenton County: 143 indexEctor County: 102 indexEllis County: 100 indexEl Paso County: 147 indexFayette County: 86 indexGalveston County: 147 indexGregg County: 100 indexHarris County: 159 indexHarrison County: 79 indexHidalgo County: 114 indexHood County: 133 indexHunt County: 67 indexJefferson County: 122 indexJohnson County: 150 indexKaufman County: 82 indexKleberg County: 93 indexLubbock County: 59 indexMcLennan County: 76 indexMaverick County: 84 indexMontgomery County: 133 indexNavarro County: 85 indexNueces County: 94 indexOrange County: 87 indexParker County: 156 indexPolk County: 77 indexPotter County: 58 indexRandall County: 112 indexRockwall County: 77 indexSmith County: 101 indexTarrant County: 174 indexTravis County: 105 indexVictoria County: 90 indexWebb County: 97 indexBox Elder County: 120 indexCache County: 129 indexCarbon County: 93 indexDavis County: 143 indexDuchesne County: 177 indexGarfield County: 33 indexSalt Lake County: 158 indexSan Juan County: 93 indexTooele County: 166 indexUintah County: 216 indexUtah County: 166 indexWashington County: 87 indexWayne County: 46 indexWeber County: 143 indexBennington County: 112 indexChittenden County: 80 indexRutland County: 89 indexWindham County: 58 indexAlbemarle County: 122 indexArlington County: 133 indexCaroline County: 112 indexCarroll County: 30 indexCharles City County: 112 indexChesterfield County: 115 indexFairfax County: 129 indexFauquier County: 93 indexFrederick County: 90 indexGiles County: 115 indexHanover County: 105 indexHenrico County: 129 indexKing William County: 20 indexLoudoun County: 112 indexMadison County: 108 indexPrince Edward County: 105 indexPrince William County: 112 indexRoanoke County: 100 indexRockbridge County: 90 indexRockingham County: 108 indexStafford County: 108 indexWythe County: 100 indexAlexandria city: 103 indexBristol city: 106 indexFredericksburg city: 20 indexHampton city: 133 indexHopewell city: 22 indexLynchburg city: 65 indexNorfolk city: 63 indexRichmond city: 81 indexSalem city: 70 indexSuffolk city: 115 indexVirginia Beach city: 71 indexWinchester city: 25 indexAdams County: 58 indexAsotin County: 93 indexBenton County: 122 indexChelan County: 81 indexClallam County: 73 indexClark County: 92 indexColumbia County: 60 indexCowlitz County: 77 indexFranklin County: 81 indexGrant County: 66 indexGrays Harbor County: 75 indexJefferson County: 65 indexKing County: 100 indexKitsap County: 60 indexKittitas County: 143 indexKlickitat County: 63 indexLewis County: 70 indexMason County: 72 indexOkanogan County: 118 indexPierce County: 156 indexSkagit County: 80 indexSnohomish County: 120 indexSpokane County: 81 indexStevens County: 110 indexThurston County: 91 indexWalla Walla County: 85 indexWhatcom County: 64 indexWhitman County: 86 indexYakima County: 199 indexBerkeley County: 112 indexBrooke County: 80 indexCabell County: 129 indexGilmer County: 105 indexGreenbrier County: 100 indexHancock County: 93 indexHarrison County: 66 indexKanawha County: 119 indexMarion County: 65 indexMarshall County: 86 indexMonongalia County: 74 indexOhio County: 108 indexTucker County: 105 indexWood County: 112 indexAshland County: 80 indexBrown County: 112 indexColumbia County: 108 indexDane County: 100 indexDodge County: 148 indexDoor County: 150 indexEau Claire County: 84 indexFond du Lac County: 108 indexForest County: 101 indexGrant County: 81 indexJefferson County: 108 indexKenosha County: 161 indexKewaunee County: 136 indexLa Crosse County: 87 indexManitowoc County: 147 indexMarathon County: 100 indexMilwaukee County: 185 indexOutagamie County: 108 indexOzaukee County: 172 indexRacine County: 169 indexRock County: 119 indexSauk County: 101 indexSheboygan County: 164 indexTaylor County: 84 indexVilas County: 77 indexWalworth County: 115 indexWaukesha County: 100 indexAlbany County: 97 indexBig Horn County: 84 indexCampbell County: 141 indexCarbon County: 84 indexConverse County: 173 indexFremont County: 84 indexGoshen County: 78 indexLaramie County: 87 indexLincoln County: 69 indexNatrona County: 80 indexPark County: 87 indexPlatte County: 66 indexSheridan County: 110 indexSublette County: 102 indexSweetwater County: 100 indexTeton County: 99 indexUinta County: 87 indexWeston County: 80 index

Boundaries: U.S. Census Bureau cartographic boundary files.