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2017 Design Values and Monitor Scorecard

Current as of December 1, 2017

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)
3
2
0
71 67
Cleburne Airport (JOHNSON)
6
3
0
75 73
Corsicana Airport (NAVARRO)
1
0
0
65 63
Dallas Executive Airport
(DALLAS)
0
0
0
63 64
Dallas Hinton St.
(DALLAS)
1
3
0
75 74
Dallas North No.2
(DALLAS)
2
5
0
77 74
Denton Airport South (DENTON)
8
1
0
73 79
Eagle Mountain Lake (TARRANT)
1
2
0
70 71
Fort. Worth Northwest
(TARRANT)
4
2
0
73 72
Frisco
(COLLIN)
5
1
0
72 74
Granbury
(HOOD)
1
1
0
66 67
Grapevine Fairway
(TARRANT)
4
2
0
73 75
Greenville
(HUNT)
0
0
0
66 62
Italy
(ELLIS)
1
0
0
66 64
Kaufman
(KAUFMAN)
1
0
0
62 61
Keller
(TARRANT)
5
2
0
75 73
Midlothian
(ELLIS)
0
1
0
67 65
Parker County
(PARKER)
1
0
0
65 70
Pilot Point
(DENTON)

1

1
0
68 74
Rockwall Heath
(ROCKWALL)
1
0
0
67 66

 

*
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).

Data not certified by TCEQ

 

12/12/2017 JL/CH %Trans

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