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Daily Maximum Eight-Hour Ozone Averages for November 2014

The table below lists the peak daily maximum eight-hour ozone concentrations measured in November 2014 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 SitePOCNovember 2014POCMonitoring Site
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Dallas-Fort Worth
Ft. Worth Northwest C13/AH302 232424130133534383645292828202528354041352423242Ft. Worth Northwest C13/AH302
Keller C17234414035153332353441262625202624313538332525212Keller C17
Frisco C31/C680135414438163833363949292827262825353336383333281Frisco C31/C680
Midlothian OFW C52/A1371354242NANV3136353744282624262725314037372828251Midlothian OFW C52/A137
Denton Airport South C56/A163/X157136444636193535403947302927252927364243393031241Denton Airport South C56/A163/X157
Arlington Municipal Airport C61135404130113034353744272726262726323837352626211Arlington Municipal Airport C61
Rockwall Heath C69136414734173838374151303028293026353735393738261Rockwall Heath C69
Grapevine Fairway C70/A301/X182134414234143532373745292826222726343739352829221Grapevine Fairway C70/A301/X182
Kaufman C71/A304/X071137384533183536363747262827272824353941373535251Kaufman C71/A304/X071
Granbury C73/C681137484238153639373844282827262726354139342729261Granbury C73/C681
Eagle Mountain Lake C75 133434134113335363642272727222724334039352423231Eagle Mountain Lake C75
Parker County C761NANANANANV4446424347333131303230394844413233291Parker County C76
Cleburne Airport C77/C682138494638193742403949312827282825354338372930251Cleburne Airport C77/C682
Dallas Hinton St. C401/C60/AH161 333404232103432373847272725212624323636352828213Dallas Hinton St. C401/C60/AH161
Dallas Executive Airport C402131363929825303134422426NVNA2323293427NVNV26211Dallas Executive Airport C402
Greenville C1006/A198133394235173737353848282728282625353440383437271Greenville C1006/A198
Pilot Point C1032136434538174035404149323030282829383940383232261Pilot Point C1032
Italy C1044/A323135424534153136333946242524282622313540382727231Italy C1044/A323
Corsicana Airport C1051134424934173336343948252827302921313943393433271Corsicana Airport C1051
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Tyler-Longview-Marshall
Longview C19/A127/C644234354234222936313648252725262020353642343135262Longview C19/A127/C644
Tyler Airport Relocated C82136374336233238343547252928282724374145373637261Tyler Airport Relocated C82
Karnack C85/AFHP3031323441NV21NV36273248252728312421363532312936271Karnack C85/AFHP303
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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El Paso-Juarez
El Paso UTEP C12/A125/X15123541263433303838463737312926323937NV31352937402El Paso UTEP C12/A125/X151
Ascarate Park SE C37/A332/A172/X159132362431292932364231313330252833373031252735371Ascarate Park SE C37/A332/A172/X159
Chamizal C41/AH126 12840273130253832453836262420343433NV26342939401Chamizal C41/AH126
Socorro Hueco C49/F312137413231323437364436373432313236403031322738421Socorro Hueco C49/F312
Skyline Park C72138423132363741384742403533304038403531363443461Skyline Park C72
BRAVO Big Bend C67/C316/C656/C6913 N45464133373935443938353535303035423837383842403BRAVO Big Bend C67/C316/C656/C691
Ivanhoe C4141303625282727333141NVNANANANANANANANANANANANANA1Ivanhoe C414
Cd Juarez Delphi C6631 NNANANANANVNANANANANANANANANANANANANANANANANANA1Cd Juarez Delphi C663
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Waco
Waco Mazanec C10371355043NV19343636394726NV24292724333839373030231Waco Mazanec C1037
Temple Georgia C1045139504437213339404249303127302627383943352934241Temple Georgia C1045
Killeen Skylark Field C1047142514739273441414049323228302729394444383135301Killeen Skylark Field C1047
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Beaumont-Port Arthur
Beaumont-Downtown C2/A112/C2002 2334045403417293246493218243125223435424243NV312Beaumont-Downtown C2/A112/C2002
West Orange C9/A141231384739351727314151381722322821313238414539282West Orange C9/A141
Port Arthur West C28/A128/A22813343484435NVNV344550372225332822353342423731301Port Arthur West C28/A128/A228
Hamshire C64/C6541354348453216303545493120NV312722363744454939311Hamshire C64/C654
SETRPC Port Arthur C6281 N2937403732182634384432182028262229NV34384234271SETRPC Port Arthur C628
SETRPC 40 Sabine Pass C640/C1654134404742382231393749382226323125363642414737291SETRPC 40 Sabine Pass C640/C1654
SETRPC Mauriceville 42 C642/C311/C6651 N31414944351728333653302024322826343444454842331SETRPC Mauriceville 42 C642/C311/C665
SETRPC 43 Jefferson Co Airport C643120263025221520222728222326322925NANV34343931251SETRPC 43 Jefferson Co Airport C643
Nederland High School C1035 134424943371928354751382226322924373544445041311Nederland High School C1035
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Austin
Austin Northwest C3/A32224147393423NANV413943283128262326383743282829262Austin Northwest C3/A322
Audubon C38141514336272439423947303228272327394244312831261Audubon C38
Fayette County C6012 N4247474227223544NVNANANANANANANANANANANANANANA2Fayette County C601
Dripping Springs School C6141 N414941332622403938NVNANANANANANANANANANANANANA1Dripping Springs School C614
CAPCOG McKinney Roughs C6841 N343936321817303833NVNANANANANANANANANANANANANA1CAPCOG McKinney Roughs C684
CAPCOG Lake Georgetown C6901 N415044372628414141NVNANANANANANANANANANANANANA1CAPCOG Lake Georgetown C690
Gorzycki Middle School C16031 N3339332721213233333624NVNANANANANANANANANANANA1Gorzycki Middle School C1603
Lockhart C16041 N455144422527414646NVNANANANANANANANANANANANANA1Lockhart C1604
CAPCOG San Marcos Staples Road C16751 N394639382019363540NVNANANANANANANANANANANANANA1CAPCOG San Marcos Staples Road C1675
CAPCOG Hutto College Street C66021 N293521181115202323NVNANANANANANANANANANANANANA1CAPCOG Hutto College Street C6602
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Houston-Galveston-Brazoria
Houston East C1/G316233443841271022344344222018231715273337363331262Houston East C1/G316
Houston Aldine C8/AF108/X150 23244373618NV263443NV212523262117313433333833262Houston Aldine C8/AF108/X150
Channelview C15/AH115 330372234241827414644312425262117333530193530253Channelview C15/AH115
Northwest Harris Co. C26/A110/X154236484338132028394044232927272216NV3640353328282Northwest Harris Co. C26/A110/X154
Hou.DeerPrk2 C35/235/1001/AFH139FP23913542NV40311425384942242321232213293236353733241Hou.DeerPrk2 C35/235/1001/AFH139FP239
Seabrook Friendship Park C45137453842331631404346322224292615323742324340291Seabrook Friendship Park C45
Houston Bayland Park C53/A146 135434640181525384243222523222015343137383635251Houston Bayland Park C53/A146
Conroe Relocated C78/A321135444642152334424349253129342719NVNV39404235281Conroe Relocated C78/A321
Manvel Croix Park C84142454443221431404846212422252616343942413334301Manvel Croix Park C84
Clinton C403/C304/AH113 332402725211424303833212219241613293123NANV31233Clinton C403/C304/AH113
Houston North Wayside C40513343363723142631373620232125NV15303528343731221Houston North Wayside C405
Houston Monroe C4061313835352211223141391719181920142730NVNANA34241Houston Monroe C406
Lang C40823342363518924354042202120221814303133333430262Lang C408
Houston Croquet C409236424240211524404242212323202215332939393333272Houston Croquet C409
Houston Westhollow C410134424235161425394136222624221815333137373232261Houston Westhollow C410
Houston Texas Avenue C41113242353420823NVNANANANANANANANANANANANANV31241Houston Texas Avenue C411
Park Place C41613342393626821344042201818192013282836374138261Park Place C416
Sheldon C5511 N30383532191727363740212423252016323427243430231Sheldon C551
Baytown Wetlands Center C5521 N32383535221527383737192121242213293030323329221Baytown Wetlands Center C552
Crosby Library C5531 N30393937241525373742202422252114313434373530241Crosby Library C553
La Porte Sylvan Beach C5561 N35423738261428364144292325272617343233274035261La Porte Sylvan Beach C556
Mercer Arboretum C5571 N334339321016262936362126232623153235NVNANANANA1Mercer Arboretum C557
Tom Bass C5581 N34383736211024314039192019192113283035363332211Tom Bass C558
Katy Park C5591 N33393731111725373435202423231714312932292828241Katy Park C559
Atascocita C5601 N28383633151423303637182120242114273129303328221Atascocita C560
Meyer Park C5611 N36464137131628374036222725262216333535342926251Meyer Park C561
Bunker Hill Village C5621 N3139393317NVNV333939202422211513312933343231231Bunker Hill Village C562
Huffman Wolf Road C5631 N26343535NVNANA293239182222242014293133343227221Huffman Wolf Road C563
HRM-3 Haden Road C603/A114 1 N37463840321329394846232322262417333736334034281HRM-3 Haden Road C603/A114
Wallisville Road C617 1 N38474546292134455648282829312518403943434538291Wallisville Road C617
Danciger C618 1 N42454541321729424246312826292515363942393533291Danciger C618
Mustang Bayou C619 1 N38434442351731435046322522282215334041414137301Mustang Bayou C619
Texas City 34th St. C620 1 N42504946412636504850412627313124364045454242331Texas City 34th St. C620
UH Moody Tower C6951 N384845NV311529445248332524262017344542434543301UH Moody Tower C695
U of H-Sugarland C6961 N41424336151027394143242422202314313138393130261U of H-Sugarland C696
UH Coastal Center C6971 N37464443372232454445352423282421323741414138291UH Coastal Center C697
UH WG Jones Forest C6981 N36NA45381122NVNANANV272929312519383940333932281UH WG Jones Forest C698
UH West Liberty C6991 N334344NVNV2229384348NV2627302516373942NVNVNA221UH West Liberty C699
Lynchburg Ferry C1015/A165 132423539231526374445312524252415333028203932181Lynchburg Ferry C1015/A165
Lake Jackson C1016 141464644362231394848252325312217364042423637301Lake Jackson C1016
Baytown Garth C1017134424243282031405043262525282417343741404235251Baytown Garth C1017
Galveston 99th St. C1034/A320/X183141514946422634445453442627293324384144424339311Galveston 99th St. C1034/A320/X183
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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San Antonio
San Antonio Northwest C232465039373227333738402630272221243535NV192929232San Antonio Northwest C23
Camp Bullis C58145534242333240424244323632272226413946192828261Camp Bullis C58
Calaveras Lake C59144484241262836424241283230292216394045302727211Calaveras Lake C59
Elm Creek Elementary C5011 N42493939NVNANANANANANANANANANANANANANANANANANA1Elm Creek Elementary C501
Fair Oaks Ranch C5021 N41483836NVNANANANANANANANANANANANANANANANANANA1Fair Oaks Ranch C502
Bulverde Elementary C5031 N42493939NVNANANANANANANANANANANANANANANANANANA1Bulverde Elementary C503
New Braunfels Airport C5041 N404740NVNANANANANANANANANANANANANANANANANANANA1New Braunfels Airport C504
City of Garden Ridge C5051 N47534343NVNANANANANANANANANANANANANANANANANANA1City of Garden Ridge C505
Seguin Outdoor Learning Center C5061 N454943NVNANANANANANANANANANANANANANANANANANANA1Seguin Outdoor Learning Center C506
Heritage Middle School C6221 N48514341282733414438273229282321393847302930241Heritage Middle School C622
CPS Pecan Valley C6781 N41463937232035353832222725272019353942162527141CPS Pecan Valley C678
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Corpus Christi-Victoria
Corpus Christi West C4247504543312225514945332426302316394336343736252Corpus Christi West C4
Corpus Christi Tuloso C21146504341322426525246322527312317394439343736251Corpus Christi Tuloso C21
Victoria C87146484539192226494545272825312418384141323435261Victoria C87
Inez C6091 N444746412121223428412629273127193736NVNANANANA1Inez C609
Coleto C6241 N42454036201922423541252624292317NVNANANANANANA1Coleto C624
Aransas Pass C6591 N49504844322224535344312225282214364134293232191Aransas Pass C659
Holly Road C6601 N43474441292121474742312022262013344036313433231Holly Road C660
Violet C6641 N44484038292126484841282325291913373938323532211Violet C664
Ingleside C6851 N43494743332427444743342528322517394439321921101Ingleside C685
Odem C6861 N42464139312325474543302525292115364039313332211Odem C686
Taft C6871 N47524743332628455046362730342518414644353939191Taft C687
Cuero C16021 N47494539202233484845272826322420384143NVNANANA1Cuero C1602
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Lower Rio Grande Valley
Mission C43/AP143141373331221325364033332124282725262929262423151Mission C43/AP143
Brownsville C80/AGP1801444540382822294144NV352424272428342932343530151Brownsville C80/AGP180
Harlingen Teege C102314548414130NANANANANANANVNV312730404040343732211Harlingen Teege C1023
AreaMonitoring SitePOCNovember 2014POCMonitoring Site
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Laredo
Laredo Vidaurri C44/AFGP144/P244144393429172823324133202326232113343433202524121Laredo 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 - 0.059
51 - 100 Not Defined 0.06 - 0.075
101 - 150 0.125 - 0.164 0.076 - 0.095
151 - 200 0.165 - 0.204 0.096 - 0.115
201 - 300 0.205 - 0.404 0.116 - 0.374
301 - 400 0.405 - 0.504 Not Defined
401 - 500 0.505 - 0.604 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.