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Daily Maximum Eight-Hour Ozone Averages for June 2016

The table below lists the peak daily maximum eight-hour ozone concentrations measured in June 2016 in each community where the TCEQ measures ozone. Concentrations that are rated Moderate or higher are color-highlighted based on the EPA-defined Air Quality Index colors. (See Interpreting the AQI.) All ozone measurements are in parts per billion.

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 with AQI colors
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Dallas-Fort Worth
Ft. Worth Northwest C13/AH302 24426444354589561665637302731383736575765394142422423342Ft. Worth Northwest C13/AH302
Keller C1724425464051558565626136332931384143595370414245442526342Keller C17
Frisco C31/C68014332444152546268686539343435514657455160534753483030351Frisco C31/C680
Midlothian OFW C52/A13713525434353647056525534342630363635384442343744372423311Midlothian OFW C52/A137
Denton Airport South C56/A163/X1571NV28514152547083757336333137454554555872444952523030331Denton Airport South C56/A163/X157
Arlington Municipal Airport C6113720394052649558545632282627323330414550343440362021331Arlington Municipal Airport C61
Dallas North No.2 C63/C67913824413853577061626037283129NV4143464966564047422526431Dallas North No.2 C63/C679
Rockwall Heath C6914232443851495555566033263024353635424946564044NANV24421Rockwall Heath C69
Grapevine Fairway C70/A301/X18214225464050548370676534323234414044545277484447452626361Grapevine Fairway C70/A301/X182
Kaufman C71/A304/X0711393140375251NV54555735313124302835354537363944372324301Kaufman C71/A304/X071
Granbury C73/C68114336434757628063605538363329363433445049343942422520271Granbury C73/C681
Eagle Mountain Lake C75 14221433751547265665933242724293029505462313637411819221Eagle Mountain Lake C75
Parker County C76148334748596188686861433742NV343129505450323538422319271Parker County C76
Cleburne Airport C77/C68214841495764808568675844393640424340445146394550452826321Cleburne Airport C77/C682
Dallas Hinton St. C401/C60/AH161 342234341556382636162372928284139NV524871494046412525453Dallas Hinton St. C401/C60/AH161
Dallas Executive Airport C4021NV2139395262815654593228252135NV33404254393641372221321Dallas Executive Airport C402
Greenville C1006/A19813424343450465156586030282522303332384941554044412425321Greenville C1006/A198
Pilot Point C103214127434049525378756839333138524861404864465355543133311Pilot Point C1032
Italy C1044/A32314133444255626059545436NVNV24373035314336363742362223291Italy C1044/A323
Corsicana Airport C105113430403755495656595537332725312834404230374048392429311Corsicana Airport C1051
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Tyler-Longview-Marshall
Longview C19/A127/C64422721333847485860666524251920272426426142353440382221382Longview C19/A127/C644
Tyler Airport Relocated C82132273635535262NV606029272522312629364833373641382222371Tyler Airport Relocated C82
Karnack C85/AFHP30312417272836414853585927242420393645364637363545462621221Karnack C85/AFHP303
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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El Paso-Juarez
El Paso UTEP C12/A125/X15125161685460725953545156574849474957635751685778696157462El Paso UTEP C12/A125/X151
Ascarate Park SE C37/A332/A172/X15915066615154615658535453554245474456615151645880616453441Ascarate Park SE C37/A332/A172/X159
Chamizal C41/AH126 14962634956635556545557595052535260645346655584636255451Chamizal C41/AH126
Socorro Hueco C49/F31215068554852555354555955554346494557604648525962616951421Socorro Hueco C49/F312
Skyline Park C7214757524954636052515654535048474854494950565377635548441Skyline Park C72
Ivanhoe C41414355504349545558515750514546464353494342575868575447391Ivanhoe C414
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Waco
Waco Mazanec C103713533443856565957564537283426372735303938373440341923321Waco Mazanec C1037
Temple Georgia C104513442474560606862554542293833412941434236394045362023301Temple Georgia C1045
Killeen Skylark Field C104713442454460566761554644333439424050394233424449412124261Killeen Skylark Field C1047
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Beaumont-Port Arthur
Beaumont-Downtown C2/A112/C2002 2223337344140415656242220161923182329243540NV34301941502Beaumont-Downtown C2/A112/C2002
West Orange C9/A1412212432334033385455252522151925253425242836453230NVNANA2West Orange C9/A141
Port Arthur West C28/A128/A2281243443404445485960282420191924192133243437NANV291931541Port Arthur West C28/A128/A228
Hamshire C64/C6541NANANANANANANANANANANANANANANV2426372535384537301929381Hamshire C64/C654
SETRPC Port Arthur C6281 N2732323534393641462523242221242121282632354133301930381SETRPC Port Arthur C628
SETRPC 40 Sabine Pass C640/C165413038464647505163653026222222272121292537405138312033461SETRPC 40 Sabine Pass C640/C1654
SETRPC Mauriceville 42 C642/C311/C6651 N212433303431395154272423162025NVNANANANANANANANANANANA1SETRPC Mauriceville 42 C642/C311/C665
SETRPC 43 Jefferson Co Airport C64312028353338383850502321171617211718282029334230251629481SETRPC 43 Jefferson Co Airport C643
Nederland High School C1035 126NANV37444142575727252018NV262023352535434935311937481Nederland High School C1035
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Austin
Austin Northwest C3/A32224242534758605860554941313131343241484537413847361828282Austin Northwest C3/A322
Audubon C3814038503955566160545141313031343239444230363745361626201Audubon C38
Fayette County C6012 N2542323950424652503930221920202224283422313141321721252Fayette County C601
Dripping Springs School C6141 N4248514658596659525046383637373540464335434248402628241Dripping Springs School C614
CAPCOG McKinney Roughs C6841 N2840443650484552483833232025252425253521343040281220191CAPCOG McKinney Roughs C684
CAPCOG Lake Georgetown C6901 N3737474153515858515042333234373546404037434249372024271CAPCOG Lake Georgetown C690
Gorzycki Middle School C16031 N3946484257576153454139302628302833383928373442321524191Gorzycki Middle School C1603
Lockhart C16041 N3048434356574749454235262327272725254024313143301522181Lockhart C1604
St. Edwards University C16051 N3338393850514848403632242124262427303423322838271420181St. Edwards University C1605
CAPCOG San Marcos Staples Road C16751 N2036363856615150474537282628292929283927313241321624201CAPCOG San Marcos Staples Road C1675
CAPCOG Hutto College Street C66021 N3043454456545557514438262627292531383830383240301721241CAPCOG Hutto College Street C6602
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Houston-Galveston-Brazoria
Houston East C1/G31622429392828454060574131202225253240434432454041352237532Houston East C1/G316
Houston Aldine C8/AF108/X150 225NV453533424061615537252930324058405140524950432843512Houston Aldine C8/AF108/X150
Channelview C15/AH115 32228403129383853493327162224242640404227404243352231503Channelview C15/AH115
Northwest Harris Co. C26/A110/X15422935433431NV4157574830242123233340283938413846402439372Northwest Harris Co. C26/A110/X154
Hou.DeerPrk2 C35/235/1001/AFH139FP2391253443323064515953372618202124262838342838383731NV28461Hou.DeerPrk2 C35/235/1001/AFH139FP239
Seabrook Friendship Park C4512639433635455758543623222019252026NVNANANANANV302029451Seabrook Friendship Park C45
Houston Bayland Park C53/A146 128334840406564NV634029252222262435395341453943332332461Houston Bayland Park C53/A146
Conroe Relocated C78/A3211294347363434NV59583241303243325456324232455864524134431Conroe Relocated C78/A321
Manvel Croix Park C84125394742396963NV553329261922222725364031453740282026361Manvel Croix Park C84
Clinton C403/C304/AH113 32328413331504561553329211821202831NV4334373433242034363Clinton C403/C304/AH113
Houston North Wayside C405123263930253331494536261717202027383442NV353636292035391Houston North Wayside C405
Houston Monroe C4061223240302966515749272520171920NV23313425343133241625361Houston Monroe C406
Lang C40822627453434504666NV40332324262729NV375239453843362542462Lang C408
Houston Croquet C409225334737366467725535262519192222273342344334NV292026342Houston Croquet C409
Houston Westhollow C41012733454237555678624031272124232935345442NV3644342229441Houston Westhollow C410
Houston Texas Avenue C411125284533324744635835NVNANV21212833385034403739292137411Houston Texas Avenue C411
Park Place C416123324633336257665634NVNANV22NV2931394335393638NVNANANA1Park Place C416
Sheldon C5511 NNANANANANANANANV453224141820212633283520313136271622331Sheldon C551
Baytown Wetlands Center C5521 N2337383627454150482722211416221325383624283735261824341Baytown Wetlands Center C552
Crosby Library C5531 N3035423030353957453733222931324352374931294450372930401Crosby Library C553
West Houston C5541 N2429373731414971624227181818191919212121212122242626261West Houston C554
La Porte Sylvan Beach C5561 N2643403631424955523323232019262027353833374136292027371La Porte Sylvan Beach C556
Tom Bass C5581 N2132383128595159462521171114152020283026343033231420291Tom Bass C558
Katy Park C5591 N2129333630364566503423231216171722254337322739291622301Katy Park C559
Atascocita C5601 N2731402724293251483832212627263848304627444246392429411Atascocita C560
Meyer Park C5611 N2523322724293450503730182222193137243225333238322133351Meyer Park C561
Bunker Hill Village C5621 N2423363432484568573527201720212533335140383237302030381Bunker Hill Village C562
Huffman Wolf Road C5631 N27343327NVNA3533NVNA31212532344452273619344549382621301Huffman Wolf Road C563
HRM-3 Haden Road C603/A114 1 N2325403031504260563929172122232838404230433837321931481HRM-3 Haden Road C603/A114
Wallisville Road C617 1 N2640463931444658573427242424303039454228384645352529441Wallisville Road C617
Danciger C618 1 N253238433852546341272220182122NV20223026323140211719271Danciger C618
Texas City 34th St. C620 1 N2739494450566667613726221921262022373438434438292032471Texas City 34th St. C620
UH Moody Tower C6951 N2628473532574964563428231921212832394535433740302237431UH Moody Tower C695
U of H-Sugarland C6961 NNANANANANANANANANV3427252023222427344133393445321725381U of H-Sugarland C696
UH Coastal Center C6971 N2434464142626062563223191818231822313333394036251826431UH Coastal Center C697
UH WG Jones Forest C6981 N364244373537465760364328333831535932473148NVNANANANANA1UH WG Jones Forest C698
UH West Liberty C6991 N233738272428NV524920302221NVNV3645262820354144322321251UH West Liberty C699
Lynchburg Ferry C1015/A165 12435402925364554503226212224262533423926374139322029431Lynchburg Ferry C1015/A165
Lake Jackson C1016 12630464138505663482725221920231918253029333743231924361Lake Jackson C1016
Baytown Garth C10171NVNVNV3627414457553225222218272938423925354342322326461Baytown Garth C1017
Galveston 99th St. C1034/A320/X18313042595063536175664028232021251920363743454741362230381Galveston 99th St. C1034/A320/X183
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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San Antonio
San Antonio Northwest C2324440404047516251564236282729323134394131NV3245351823252San Antonio Northwest C23
Camp Bullis C58 14040364350565952564542333334373844454333393849401923271Camp Bullis C58
Calaveras Lake C591344844445358514550383526232629292728422730NV41321720211Calaveras Lake C59
Elm Creek Elementary C5011 N3236353743515737412829211820212218203517212335261010161Elm Creek Elementary C501
Fair Oaks Ranch C5021 N3638394047515450534341322833363325192136353749391822281Fair Oaks Ranch C502
Bulverde Elementary C5031 N3131303444465045423435262426302938363527343140291214181Bulverde Elementary C503
New Braunfels Airport C5041 N3140413851564545443935242125242624253525342939281320171New Braunfels Airport C504
City of Garden Ridge C5051 N4141414354566051493939292428303132364128393242321821191City of Garden Ridge C505
Seguin Outdoor Learning Center C5061 N3241423751604547464034252325242726254024NVNV41311623171Seguin Outdoor Learning Center C506
Heritage Middle School C6221 N2841383745524641443331222023252723243723282838291319161Heritage Middle School C622
CPS Pecan Valley C6781 N3142373945525243463433252324282727303725282838291420201CPS Pecan Valley C678
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Corpus Christi-Victoria
Corpus Christi West C423839484140425149373326201822222322202724323339251718192Corpus Christi West C4
Corpus Christi Tuloso C2113639453837394845373524171519192221222621372937241719181Corpus Christi Tuloso C21
Victoria C8713245484337414354403829202023232426274026363242241718231Victoria C87
Inez C6091 N172732323130393333231691214161518243119252834221617191Inez C609
Holly Road C6601 NNANANANANANANANANANANANANANANANANV122018232931201413151Holly Road C660
Violet C6641 N42485849475260514838302420252526252631273634422820001Violet C664
Ingleside C6851 N323237302932393723211812111415141211181420293018910111Ingleside C685
Odem C6861 N2928342421253023192114981111NVNANANANANANANANANANANA1Odem C686
Taft C6871 N383338323133443827282214131918NVNANANANANANANANANANANA1Taft C687
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Lower Rio Grande Valley
Mission C43/AP14313231463138434028392822181821242222251920292532191618171Mission C43/AP143
Brownsville C80/AGP18013433353139454326343121171522242123191921273032201517131Brownsville C80/AGP180
Harlingen Teege C10231363441363941402534352720NV222623262118212632NV241519141Harlingen Teege C1023
AreaMonitoring SitePOCJune 2016POCMonitoring Site
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Laredo
Laredo Vidaurri C44/AFGP144/P24412441443543524824323426202225262424221815172233231717121Laredo Vidaurri C44/AFGP144/P244
POC (Parameter Occurrence Code): a code used to correctly separate data from multiple instruments at one site.
NV - There are not enough valid eight-hour averages for this day (there must be eighteen valid eight-hour averages).
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.