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Peak Daily One-Hour Ozone Averages for June 2016

The table below lists the peak daily one-hour ozone concentrations measured in June 2016 in each community where the TCEQ measures ozone. Concentrations are color-highlighted based on the EPA-defined Air Quality Index colors. (See Interpreting the AQI.) All ozone measurements are in parts per billion, and are truncated to an integer number.

The values that go into this table are calculated at 3:30 am each morning. Therefore, the current day will almost always have very low hourly averages that are not truly representative of local conditions for the day. Because of this, the report does not display the current day's data.

Use the selection boxes below to customize this report. You may select a different month, a different year, a different report format, and whether or not to include time on the report. Click on the Generate Report button once you have made your selections.

Month:Year:Report Format: Include time:
Include time
Highlight using AQI colors
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Dallas-Fort Worth
Ft. Worth Northwest C13/AH302 252315345556111364745841373236454438676575414547442925565278602Ft. Worth Northwest C13/AH302
Keller C17251305241525910268696339413236454548745779484748463230545279682Keller C17
Frisco C31/C68014434494453557074726744394541575263525266715259554634424854831Frisco C31/C680
Midlothian OFW C52/A13713832454855717859615935373234444243464845384051413926446150571Midlothian OFW C52/A137
Denton Airport South C56/A163/X15715233594353567798827745393641495062646287575455573435405565851Denton Airport South C56/A163/X157
Arlington Municipal Airport C61141284343556811362615935323433423743485158393746393924494654591Arlington Municipal Airport C61
Dallas North No.2 C63/C67914130484155607668656340334433474848605275624351484330655055751Dallas North No.2 C63/C679
Rockwall Heath C6914534484154516166626238333628403937555158634552NA2532645553641Rockwall Heath C69
Grapevine Fairway C70/A301/X18214833544352568979776939363940444448665489574651504628485168821Grapevine Fairway C70/A301/X182
Kaufman C71/A304/X07114333463853536457606138394427332940414738384653412834414850581Kaufman C71/A304/X071
Granbury C73/C68114740484958658867646041394131444042505254354849492724405870561Granbury C73/C681
Eagle Mountain Lake C75 14932514053568271716337273628363531646074384143452321324779591Eagle Mountain Lake C75
Parker County C7615737525162639670726448455129423437636355344245442620375284551Parker County C76
Cleburne Airport C77/C68215243526165899071736548444345535053515351415156483028507272681Cleburne Airport C77/C682
Dallas Hinton St. C401/C60/AH161 34730494357679473656740334131484546655181554449464528735560723Dallas Hinton St. C401/C60/AH161
Dallas Executive Airport C40214329444254669659646235313025433942544563443843424123565957611Dallas Executive Airport C402
Greenville C1006/A19814135373652495663606435423427343636425245644850482634385265581Greenville C1006/A198
Pilot Point C103214431484251545691807147383545625367425077565858623736354862941Pilot Point C1032
Italy C1044/A32314336484456666467596039372527433137345139434045413630455255631Italy C1044/A323
Corsicana Airport C105113933464157525860626745393727353143575535414352453236455062621Corsicana Airport C1051
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Tyler-Longview-Marshall
Longview C19/A127/C64423525434653556664728226322823292628467149403642422322455155782Longview C19/A127/C644
Tyler Airport Relocated C8213934414257567164666532344024352936395036403845412429446265791Tyler Airport Relocated C82
Karnack C85/AFHP30312719313545445268666331283622464462445140473650583428374450551Karnack C85/AFHP303
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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El Paso-Juarez
El Paso UTEP C12/A125/X151255649158667964605760605952524856627164557664108876662533947562El Paso UTEP C12/A125/X151
Ascarate Park SE C37/A332/A172/X159153777253577060666064585646475547616655567472104737457513744501Ascarate Park SE C37/A332/A172/X159
Chamizal C41/AH126 153728152617160695759616055565958647358507362116756859533142501Chamizal C41/AH126
Socorro Hueco C49/F31215677665053575761606759604847584962675051597081688254493339461Socorro Hueco C49/F312
Skyline Park C7214967595159676457526056555454515255565354616189736650493740471Skyline Park C72
Ivanhoe C41414763574552606066556457544849544961524646626494696951453440441Ivanhoe C414
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Waco
Waco Mazanec C103713736494258616361594940414430442939354241433945372127495053691Waco Mazanec C1037
Temple Georgia C104513644505063667365595049314437493447494443444447372128434461611Temple Georgia C1045
Killeen Skylark Field C104713744494763607466595150433944484560464544515059482526444357611Killeen Skylark Field C1047
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Beaumont-Port Arthur
Beaumont-Downtown C2/A112/C2002 22644503753444566654223271921251927362849495336352251735137612Beaumont-Downtown C2/A112/C2002
West Orange C9/A141227304238443742686238292420213128502927314048353320NA514336572West Orange C9/A141
Port Arthur West C28/A128/A2281274653435053536870342728232126212344253841NA35342038767251721Port Arthur West C28/A128/A228
Hamshire C64/C6541NANANANANANANANANANANANANANA292828453340414740342140504452621Hamshire C64/C654
SETRPC Port Arthur C6281 N3038393638433847543124302623272323332734404435322036474515NA1SETRPC Port Arthur C628
SETRPC 40 Sabine Pass C640/C165413342545149605869733330302726292723352841445441342236617454541SETRPC 40 Sabine Pass C640/C1654
SETRPC Mauriceville 42 C642/C311/C6651 N26284534443442676232272723222627NANANANANA5843NA3346NANANANA1SETRPC Mauriceville 42 C642/C311/C665
SETRPC 43 Jefferson Co Airport C64312337443645423961573122232019231920392233374432281736704440551SETRPC 43 Jefferson Co Airport C643
Nederland High School C1035 128NA514055504467653927282322272325442740475436362044784838631Nederland High School C1035
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Austin
Austin Northwest C3/A32225245585063626264615345343533353547624844484151402131425568642Austin Northwest C3/A322
Audubon C3815142544459576565575645363234363445594738454448392029444462591Audubon C38
Fayette County C6012 N2749414358435554574434272023242428424126343344332123374246532Fayette County C601
Dripping Springs School C6141 N5050564963647160686249433940403744504837554651432931375075681Dripping Springs School C614
CAPCOG McKinney Roughs C6841 N3244483953514855574436252328292828284025363343311723294953511CAPCOG McKinney Roughs C684
CAPCOG Lake Georgetown C6901 N4539524558546462556846393637403854524544514952402327474367601CAPCOG Lake Georgetown C690
Gorzycki Middle School C16031 N4548504563616458514541342830323138454235453744351825324567581Gorzycki Middle School C1603
Lockhart C16041 N3250464860595053494338292529313030294926343448321725344557561Lockhart C1604
St. Edwards University C16051 N3742424053545151453835272226282729363528373141291522285358481St. Edwards University C1605
CAPCOG San Marcos Staples Road C16751 N2843404161685653514739322831323232314229333544341928345371551CAPCOG San Marcos Staples Road C1675
CAPCOG Hutto College Street C66021 N3345484661616165554740283129312735474136403443322024394358581CAPCOG Hutto College Street C6602
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Houston-Galveston-Brazoria
Houston East C1/G31622934493533544676694935252527263655507049714448442553866844562Houston East C1/G316
Houston Aldine C8/AF108/X150 24143574636464678716741313633364677476258615660583350846046522Houston Aldine C8/AF108/X150
Channelview C15/AH115 32639493531475064584031252827263556495438594751422537755439523Channelview C15/AH115
Northwest Harris Co. C26/A110/X15423640493933364760645831322525243854304345544452523047593038482Northwest Harris Co. C26/A110/X154
Hou.DeerPrk2 C35/235/1001/AFH139FP23912841503736835770624429232423253037494533474241392131676251631Hou.DeerPrk2 C35/235/1001/AFH139FP239
Seabrook Friendship Park C451284648404550636166432525242027223238NANANANA40372232607361681Seabrook Friendship Park C45
Houston Bayland Park C53/A146 13544544543716892794631312625292645456659534249452839655567691Houston Bayland Park C53/A146
Conroe Relocated C78/A32113849544036394864653845413952355971365240536971704539874238481Conroe Relocated C78/A321
Manvel Croix Park C8412945524748797175604232382024242829444436553944362432516076811Manvel Croix Park C84
Clinton C403/C304/AH113 33032473635605272644132282022213139456650503838342444616452533Clinton C403/C304/AH113
Houston North Wayside C40513037453627343567514529242222223052445934454145432343685844491Houston North Wayside C405
Houston Monroe C40612935443633815871603428261921212828344533403437301833535855621Houston Monroe C406
Lang C40823532504038575080554839303133323358426552634447493452765757552Lang C408
Houston Croquet C40923044504242747790654227292223252530374943493738372531495066682Houston Croquet C409
Houston Westhollow C41013436514842696089764433362425243750396161473949422735614753621Houston Westhollow C410
Houston Texas Avenue C41113432493933585078704431NA1123243142518160594144392345676356551Houston Texas Avenue C411
Park Place C41612635513937716581634132NA2025243137507052574242372443656363591Park Place C416
Sheldon C5511 NNANANANANANANA22524229202224233450334430443742391927524233401Sheldon C551
Baytown Wetlands Center C5521 N2941444031595257553625242019251832464127404139322130474738451Baytown Wetlands Center C552
Crosby Library C5531 N3442503633434269554136273637375374466033455461463234814638511Crosby Library C553
West Houston C5541 N3133434336545678834930211919202120222322222223263228303329331West Houston C554
La Porte Sylvan Beach C5561 N3048464340555958584526282720272330434535424542352130566463541La Porte Sylvan Beach C556
Mercer Arboretum C5571 NNANANANANANANANANANANANANANANANANANANANANANANANANANA7535NANA1Mercer Arboretum C557
Tom Bass C5581 N2436413733755672493123241215182323323734413336331628424556621Tom Bass C558
Katy Park C5591 N24333839334549766543413722172120253352483530453925284634NANA1Katy Park C559
Atascocita C5601 N3442503826333864535135273432304864356134645357482941713732421Atascocita C560
Meyer Park C5611 N3529373328343659574636222927204152273835423943452639583333391Meyer Park C561
Bunker Hill Village C5621 N2829433837594983764132302224243448366260473641402739613952521Bunker Hill Village C562
Huffman Wolf Road C5631 N3140433229NA404922NA37263341375867315322406060462923873932421Huffman Wolf Road C563
HRM-3 Haden Road C603/A114 1 N2735463635554872644632252425253448466944614342402243875741541HRM-3 Haden Road C603/A114
Wallisville Road C617 1 N2845544432506070644130283328323655544836465054412733834942531Wallisville Road C617
Danciger C618 1 N3340445443576667503625222122252123253830363343271822394765801Danciger C618
Texas City 34th St. C620 1 N3346514863727573674229252222282126444043474841352337616553701Texas City 34th St. C620
UH Moody Tower C6951 N3435494035665574704130302322223140486555644243382450676560611UH Moody Tower C695
U of H-Sugarland C6961 NNANANANANANANANA423729312226232834405039453851401928574858751U of H-Sugarland C696
UH Coastal Center C6971 N3243504548756871603926252120252033434041454139322131615360641UH Coastal Center C697
UH WG Jones Forest C6981 N55494841394051637143503644443362793559356034NANANANANANANANA1UH WG Jones Forest C698
UH West Liberty C6991 N2640463329313367602234243224364459294126415055382623703531391UH West Liberty C699
Lynchburg Ferry C1015/A165 12743513830425960564430262527283241485030494447392434674838531Lynchburg Ferry C1015/A165
Lake Jackson C1016 13235494443606169503227272122262120393437364046312226534672691Lake Jackson C1016
Baytown Garth C101712843464231465968633928263126303454534533434749382531804640521Baytown Garth C1017
Galveston 99th St. C1034/A320/X18313746625874597281754330252221282324453949524945382532486070751Galveston 99th St. C1034/A320/X183
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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San Antonio
San Antonio Northwest C2325346524250547060624738313033343341565037363448372227467073712San Antonio Northwest C23
Camp Bullis C58 14747434655586858635046363739404055625743474352442331437663631Camp Bullis C58
Calaveras Lake C5913854494854615450544239292529313432335029353544351823335665631Calaveras Lake C59
Elm Creek Elementary C5011 N3742394047556542443133252123252427274419242537281516375566871Elm Creek Elementary C501
Fair Oaks Ranch C5021 N4241444251537258644945373538394232302943464254442329465737531Fair Oaks Ranch C502
Bulverde Elementary C5031 N3935373748485948493839293032353148484232443643331521334363581Bulverde Elementary C503
New Braunfels Airport C5041 N3543444255644947494437262326282929294028363142311622295059511New Braunfels Airport C504
City of Garden Ridge C5051 N4450484658586655564343312732323537475031443646341925336276571City of Garden Ridge C505
Seguin Outdoor Learning Center C5061 N3446464256654950524338282428283030284627NA3343332025285660521Seguin Outdoor Learning Center C506
Heritage Middle School C6221 N3149424048545045483635252326293128264526313241311521305161491Heritage Middle School C622
CPS Pecan Valley C6781 N3453414150565648493735282426313232424229333240321622336566651CPS Pecan Valley C678
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Corpus Christi-Victoria
Corpus Christi West C424044554542475554443828241923232624222826393444291919224744492Corpus Christi West C4
Corpus Christi Tuloso C2113942544340415652424827211721212424262922483241261821244842611Corpus Christi Tuloso C21
Victoria C8713858534740466160444333232326252732354628403744272020335157521Victoria C87
Inez C6091 N2348443736344539392817111416181619235523293236261721283852481Inez C609
Holly Road C6601 NNANANANANANANANANANANANANANANANA15152221283037251514174141341Holly Road C660
Violet C6641 N44556856515671565740332822262728263235294838473022NANANANANA1Violet C664
Ingleside C6851 N3639443531454443262521161315171613132217233033251211142734371Ingleside C685
Odem C6861 N3532432723283628223117119111213NANANANANANANANANANANANANANA1Odem C686
Taft C6871 N43374737344253412935241815182021NANANANANANANANANANANANANANA1Taft C687
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Lower Rio Grande Valley
Mission C43/AP14313734594240464331443024212023262526342322372936211821253934411Mission C43/AP143
Brownsville C80/AGP18013639463841474831483223201723262525212023313434221718152325181Brownsville C80/AGP180
Harlingen Teege C102314439454441444433363730241824292633302023283537261923172823291Harlingen Teege C1023
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Laredo
Laredo Vidaurri C44/AFGP144/P24412843524045545627353828222429282628262016202837271921192732391Laredo Vidaurri C44/AFGP144/P244
NA - Data not available.
 N - Data from this instrument does not meet EPA quality assurance criteria and cannot be used for regulatory purposes.

Interpreting the AQI

Air Quality Index

Each NAAQS pollutant has a separate AQI scale, with an AQI rating of 100 corresponding to the concentration of the Federal Standard for that pollutant. Additional information about the AQI and how it can be used is available from the EPA's AirNow web site.

Place your mouse pointer over the scale displayed above to view information about the Air Quality Index, and each of the rating levels.

The actual index calculation is different for each parameter measured and is specified by the EPA. The following table shows the various breakpoints used in calculating the AQI.

AQI Breakpoint Definitions
AQI Range 1hr Ozone
in ppm
8hr Ozone
in ppm
0 - 50 Not Defined 0 - 0.054
51 - 100 Not Defined 0.055 - 0.070
101 - 150 0.125 - 0.164 0.071 - 0.085
151 - 200 0.165 - 0.204 0.086 - 0.105
201 - 300 0.205 - 0.404 0.106 - 0.200
301 - 400 0.405 - 0.504 Not Defined
401 - 500 Not Defined Not Defined
500+ Not Defined Not Defined

PLEASE NOTE:  This data has not been verified by the TCEQ and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from TCEQ ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.

Following EPA reporting guidelines, negative values may be displayed in our hourly criteria air quality data beginning 1/1/2013, down to the negative of the EPA listed Method Detection Limit (MDL) for the particular instrument that made the measurements. The reported concentrations can be negative due to zero drift in the electronic instrument output, data logger channel, or calibration adjustments to the data. Prior to 1/1/2013, slightly negative values were automatically set to zero.