2018 Design Values* and Monitor Scorecard

Current as of June 22, 2018

2015 Ozone National Ambient Air Quality Standards

Monitor Location
 Exceedance
Days Per
Monitor
(70 ppb)**		 Exceedance
Days Per
Monitor
(75 ppb)***		 Exceedance
Days Per
Monitor
(84 ppb)****		 4th-Highest
Concentration
(ppb)
 Design Value^
(Attainment Test)
Arlington Municipal Airport (TARRANT) 1 2 0 69 67
Cleburne Airport (JOHNSON) 1 1 0 68 71
Corsicana Airport (NAVARRO) 1 0 0 64 63
Dallas Executive Airport
(DALLAS)		 3 2 0 73 66
Dallas Hinton St.
(DALLAS) 		2 3 0 76 73
Dallas North No.2
(DALLAS)		 1 5 0 81 75
Denton Airport South (DENTON) 3 1 0 71 73
Eagle Mountain Lake (TARRANT) 2 0 1 69 68
Fort Worth Northwest
(TARRANT)		 2 2 0 72 70
Frisco
(COLLIN)		 5 2 0 75 73
Granbury
(HOOD)		 0 0 0 64 64
Grapevine Fairway
(TARRANT)		 5 0 0 73 73
Greenville
(HUNT)		 1 0 0 63 62
Italy
(ELLIS) 		2 0 0 69 65
Kaufman
(KAUFMAN)		 0 0 0 65 61
Keller
(TARRANT)		 3 0 1 74 73
Midlothian
(ELLIS)		 1 1 0 66 64
Parker County
(PARKER)		 2 0 0 62 65
Pilot Point
(DENTON)		 4 0 0 71 71
Rockwall Heath
(ROCKWALL)		 1 4 0 76 68

 

*
 Data not certified by TCEQ.
**
 2015 Ozone NAAQS ≤70 ppb
***
 2008 Ozone NAAQS ≤75 ppb
****
 1997 Ozone NAAQS <85 ppb

 

^

The highest three-year average of the fourth-highest concentration of each monitor. This is the region's attainment test for ozone.  The annual fourth-highest daily maximum eight-hour average ozone concentration at each monitor must be less than or equal to 70 parts per billion (ppb).
^^

The value shown for this site does not represent a complete set of data for 2018 (106 days of valid data).