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Daily Maximum Eight-Hour Ozone Averages for June 2017

The table below lists the peak daily maximum eight-hour ozone concentrations measured in June 2017 in each community where the IDEM 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 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
North West
Hammond-141st St1487262674435345269666053623475545244404552365438323741NA1Hammond-141st St
Ogden Dunes1517268695034355380665853723771545146414752405341333543NA1Ogden Dunes
Michigan City-W. Michigan Blvd1526875795537385584716561804677625649485055465543374045NA1Michigan City-W. Michigan Blvd
Valparaiso1576878NANANANA64817164586845775956494249624251433540NVNA1Valparaiso
Gary-IITRI1547570675035375677686155643269535044394550355038313442NA1Gary-IITRI
LaPorte-E. Lincolnway15565736750363755806762NVNANANANANANANANANANANANANANANANA1LaPorte-E. Lincolnway
AreaMonitoring SitePOCJune 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
North Central
South Bend-Shields Dr1526272685641435680736660454668575653425063434843384036NA1South Bend-Shields Dr
Bristol1475664614640405272676053444362505149364347354138353833NA1Bristol
Potato Creek State Park1556368605739415379686153424262515248344757384342363735NA1Potato Creek State Park
Granger-Beckley St1505865675340415277706357454766535451414756434641374035NA1Granger-Beckley St
AreaMonitoring SitePOCJune 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
North East
Fort Wayne-Beacon St1585569545541465158716153494451615747385061344144373640NA1Fort Wayne-Beacon St
Leo HS1585170555442495160726456534757585950394961384245393941NA1Leo HS
Roanoke Elem. School1585867565642475259706152434453555544415058344142383839NA1Roanoke Elem. School
AreaMonitoring SitePOCJune 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
West Central
Terre Haute-Lafayette Ave1566867647248455568715647354253695544505561293441434238NA1Terre Haute-Lafayette Ave
Flora158NV70636746465463716052474661575446485358374040354138NA1Flora
Sandcut1556665627148455368715647364250645444495557293140414137NA1Sandcut
West Union1596965637149445567685544413954665042515659213439424040NA1West Union
AreaMonitoring SitePOCJune 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
East Central
Indpls-E.16th St1576969716846415168695448334649655239505667313040403939NA1Indpls-E.16th St
Emporia1567072666345414768685353394351625240NA5268303137353735NA1Emporia
Albany1546374635742404468705558414052625438475455343339343734NA1Albany
Indpls-Washington Park1556567686746415165675346294446635040495463262939393839NA1Indpls-Washington Park
Indpls-Harding St1556362676545415264655243274043564638475261242538393838NA1Indpls-Harding St
Indpls-Ft. Harrison1577170716745424967685449314549665143505563303039383836NA1Indpls-Ft. Harrison
Monrovia14653535658403447595846382737424551NV434857272935373632NA1Monrovia
Trafalgar1525960626445364864635044364143NV4935475058292936403635NA1Trafalgar
Whitestown1576666666947445065715747404652635443495459283739383838NA1Whitestown
Avon1536063686746435166685443354546575242485361293239393836NA1Avon
Fairland1617369696647384869695448374449665442515565283241424146NA1Fairland
Noblesville-191st St1566969646745434867725850384150685344495665343340383938NA1Noblesville-191st St
Hope1596570676347364667645145353947635237505461262439443941NA1Hope
Indpls - I-70 E1424965654931314061675344314040595032374550271931322825NA1Indpls - I-70 E
Helmsburg1556259595949374667655245333843NANANANANANA18253845NVNANA1Helmsburg
AreaMonitoring SitePOCJune 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
South West
Boonville161747362445341506856504137406466NVNANA5959202237474153NA1Boonville
Evansville-Buena Vista Rd1627170554056455367544738343862614627525756151937474051NA1Evansville-Buena Vista Rd
Lynnville1576967634751404966554739353864644825454751152137443746NA1Lynnville
Inglefield1637571614657465368574942404263664928525857162339484151NA1Inglefield
St. Philips1657873NVNA59485669574941394264664931565958222941504352NA1St. Philips
Leopold1606371584350364069555143434449575134525964202136474148NA1Leopold
Dayville1637473584453425068544942364061614730535958152238484151NA1Dayville
Plummer1586367706752415169665346404356665640515760232940454141NA1Plummer
AreaMonitoring SitePOCJune 2017POCMonitoring Site
12345678910111213141516171819202122232425262728
South East
New Albany1577275754348284261575038384345745338505757141837484145NA1New Albany
Charlestown State Park1566671704248284260615444414647685537505558192036473943NA1Charlestown State Park
Brownstown156616863574936436658474339444559NANA51566121NANANANA38NA1Brownstown
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.

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 0.201 - 0.2011
401 - 500 0.505 - 0.604 Not Defined
500+ Not Defined Not Defined

PLEASE NOTE: This data has not been verified by the IDEM 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 IDEM 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.