| 1999 OKLAHOMA OZONE | ||||||||
| Highest 8 Hour Averages as of 12/20/99 | ||||||||
| Site | 1st | 2nd | 3rd | 4th | 3 Yr Avg* | 1999 4th High needed | ||
| 97 4th | 98 4th | (date) | (date) | (date) | (date) | of 4th Highs | for Nonattainment | |
| Texoma (311) | 0.105 | 0.103 | 0.099 | 0.092 | ||||
| (new site) | 8-May | 7-Aug | 6-Aug | 17-Aug | ||||
| Terral (670) | 0.088 | 0.088 | 0.085 | 0.082 | ||||
| (new site) | 17-Aug | 18-Sep | 19-May | 8-Jun | ||||
| Burneyville (300) | 0.099 | 0.099 | 0.097 | 0.094 | ||||
| (new site) | 7-Aug | 17-Aug | 8-May | 6-Aug | ||||
| Talihina (441) | 0.076 | 0.076 | 0.072 | 0.066 | ||||
| (new site) | 28-May | 7-Aug | 6-Aug | 4-Aug | ||||
| Tulsa (127) | 0.093 | 0.091 | 0.090 | 0.090 | 0.086 | 0.086 | ||
| (0.076) | (.093) | 17-Aug | 28-Aug | 3-Aug | 30-Aug | |||
| Skiatook (137) | 0.098 | 0.093 | 0.093 | 0.091 | 0.088 | 0.082 | ||
| (0.081) | (.092) | 23-Aug | 17-Aug | 30-Aug | 31-Aug | |||
| Glenpool (174) | 0.103 | 0.098 | 0.088 | 0.084 | 0.083 | 0.090 | ||
| (0.083) | (.082) | 10-Aug | 25-Aug | 18-Aug | 3-Aug | |||
| Edmond (037) | 0.079 | 0.077 | 0.076 | 0.074 | 0.080 | 0.087 | ||
| (0.080) | (.088) | 8-May | 19-Sep | 20-May | 11-Oct | |||
| OKC (033) | 0.089 | 0.088 | 0.087 | 0.084 | 0.086 | 0.081 | ||
| (0.084) | (.090) | 23-Aug | 6-Aug | 10-Aug | 15-Aug | |||
| Moore (049) | 0.088 | 0.085 | 0.081 | 0.081 | 0.084 | 0.083 | ||
| (0.079) | (.093) | 23-Aug | 22-Aug | 6-Aug | 15-Aug | |||
| Goldsby (073) | 0.098 | 0.088 | 0.086 | 0.083 | 0.081 | 0.093 | ||
| (0.075) | (.087) | 10-Aug | 30-Aug | 17-Aug | 6-Aug | |||
| Lawton (647) | 0.084 | 0.084 | 0.083 | 0.082 | 0.075 | 0.111 | ||
| (0.059) | (.085) | 8-May | 1-Sep | 19-May | 31-Aug | |||
| *0.085 or greater indicates non-attainment | ||||||||