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Historical Monitor Data for the 1997 Ozone NAAQS (< 85 ppb)


Attainment is reached when the fourth-highest ozone concentration is less than 85 ppb when averaged over a
consecutive three-year period.

Air Quality Monitoring Site Three-Year Average
'98-'00 '99-'01 '00-'02 '01-'03 '02-'04 '03-'05 '04-'06 '05-'07 '06-'08 '07-'09 '08-'10 '09-'11 '10-'12 '11-'13 '12-'14 '13-'15 '14 -'16 '15 - '17*
Arlington Municipal Airport - - - 89 87 87 87 84 79 77 79 79 83 80 75 67 65 67
Cleburne Airport - - 89 90 90 89 87 85 83 83 80 79 79 79 76 73 72 73
Corsicana Airport - - - - - - - - - - - 69 70 72 68 66 61 63
Dallas Exec. Airport - - 84 85 87 88 88 85 82 78 78 79 81 80 73 68 64 64
Dallas Hinton St. - 68 91 90 89 90 87 84 74 67 67 73 82 84 78 75 71 74
Dallas North No. 2 75 93 89 86 87 90 89 86 80 81 78 82 81 83 77 75 72 74
Denton Airport South 102 101 99 97 96 93 95 94 91 85 80 83 83 87 81 83 80 79
Eagle Mountain Lake - - 95 96 94 95 96 95 89 86 85 83 82 81 79 76 72 71
Frisco 101 99 93 88 89 91 92 88 83 79 77 81 83 84 78 76 74 74
Ft. Worth Northwest 99 97 96 96 94 95 94 91 83 79 78 81 79 81 80 80 74 72
Granbury - - 84 84 81 81 84 84 81 77 75 76 77 77 76 73 69 70
Grapevine Fairway - - 95 100 98 93 93 92 87 84 82 86 86 86 80 78 75 75
Greenville - - - - - 79 79 76 70 66 64 69 72 74 69 64 60 62
Italy - - - - - - - - - - 68 69 69 72 67 66 62 64
Kaufman - - 70 73 73 73 75 76 73 70 67 68 70 74 70 67 61 61
Keller 97 97 98 100 98 95 94 92 87 86 86 90 87 85 77 76 73 73
Midlothian OFW - - - - - - - - 75 73 72 74 76 79 71 68 63 65
Parker County - - 86 89 86 87 88 91 84 81 75 79 78 79 74 75 73 70
Pilot Point - - - - - - - - 81 77 78 82 82 84 79 79 76 74
Rockwall Heath - - 83 81 82 81 80 78 75 75 74 77 77 77 73 70 66 66

Colored squares indicate violation of the 1997 ozone NAAQS.

"-" = Monitor not operational.

*Data not certified by TCEQ..

Note: EPA issued a clean data determination for the 1997 ozone NAAQS in September 2015.

 

Additional Information

12/1/2017 JPL/CH %Trans

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