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2018 Design Values* and Monitor Scorecard

Current as of May 21, 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)
0
1
0
68 66
Cleburne Airport (JOHNSON)
1
1
0
68 71
Corsicana Airport (NAVARRO)
1
1
0
64 63
Dallas Executive Airport
(DALLAS)
3
1
0
72 65
Dallas Hinton St.
(DALLAS)
1
3
0
71 71
Dallas North No.2
(DALLAS)
1
3
0
75 73
Denton Airport South (DENTON)
1
0
0
65 71
Eagle Mountain Lake (TARRANT)
1
0
1
64 67
Fort Worth Northwest
(TARRANT)
0
2
0
67 68
Frisco
(COLLIN)
0
0
0
29^^ 58
Granbury
(HOOD)
0
0
0
64 64
Grapevine Fairway
(TARRANT)
4
0
0
73 73
Greenville
(HUNT)
1
0
0
63 62
Italy
(ELLIS)
3
0
0
69 65
Kaufman
(KAUFMAN)
0
0
0
65 61
Keller
(TARRANT)
1
2
0
70 71
Midlothian
(ELLIS)
1
0
0
66 64
Parker County
(PARKER)
2
0
0
62 65
Pilot Point
(DENTON)

3

0
0
68 70
Rockwall Heath
(ROCKWALL)
1
3
0
71 66

 

*
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).

 

5/22/2018 JL/CH %Trans

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