2018 Design Values and Monitor Scorecard

Current as of March 26, 2018

2015 Ozone National Ambient Air Quality Standards

Monitor Location	4th-Highest Concentration (ppb)	Design Value^ (Attainment Test)
Arlington Municipal Airport (TARRANT)	54	62
Cleburne Airport (JOHNSON)	52	66
Corsicana Airport (NAVARRO)	53	59
Dallas Executive Airport (DALLAS)	55	60
Dallas Hinton St. (DALLAS)	52	65
Dallas North No.2 (DALLAS)	53	65
Denton Airport South (DENTON)	56	68
Eagle Mountain Lake (TARRANT)	56	64
Fort Worth Northwest (TARRANT)	50	63
Frisco (COLLIN)	29^^	58
Granbury (HOOD)	55	61
Grapevine Fairway (TARRANT)	51	66
Greenville (HUNT)	53	59
Italy (ELLIS)	52	59
Kaufman (KAUFMAN)	53	57
Keller (TARRANT)	52	65
Midlothian (ELLIS)	53	60
Parker County (PARKER)	53	62
Pilot Point (DENTON)	52	65
Rockwall Heath (ROCKWALL)	57	61

*	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 (64 days of valid data).

Data not certified by TCEQ.