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2017 Design Values and Monitor Scorecard

Current as of March 19, 2017

2015 National Ambient Air Quality Standards for Ozone

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
0
0
0
45 58
Cleburne Airport (JOHNSON)
0
0
0
53 66
Corsicana Airport (NAVARRO)
0
0
0
51 58
Dallas Executive Airport
(DALLAS)
0
0
0
42 57
Dallas Hinton St.
(DALLAS)
0
0
0
48 65
Dallas North No.2
(DALLAS)
0
0
0
48 64
Denton Airport South (DENTON)
0
0
0
52 72
Eagle Mountain Lake (TARRANT)
0
0
0
51 65
Fort. Worth Northwest
(TARRANT)
0
0
0
47 64
Frisco
(COLLIN
0
0
0
49 66
Granbury
(HOOD)
0
0
0
50 62
Grapevine Fairway
(TARRANT)
0
0
0
47 67
Greenville
(HUNT)
0
0
0
50 56
Italy
(ELLIS)
0
0
0
49 58
Kaufman
(KAUFMAN)
0
0
0
50 57
Keller
(TARRANT)
0
0
0
48 64
Midlothian
(ELLIS)
0
0
0
49 59
Parker County
(PARKER)
0
0
0
48 65
Pilot Point
(DENTON)
0
0
0
48 67
Rockwall Heath
(ROCKWALL)
0
0
0
47 59

 

*
2015 NAAQS for Ozone 70 ppb
**
2008 NAAQS for Ozone 75 ppb
***
1997 NAAQS for Ozone <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).

 

3/20/2017 JL/MG

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