Oklahoma Department of Environmental Quality | ||||||||||||
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2021 OKLAHOMA Ozone | |||||||||||
Highest 8 Hour Averages (ppm) through December 27, 2021 | ||||||||||||
Site | 1st | 2nd | 3rd | 4th | 18-20 Avg | 19-21 Avg | 2021 (0.070) | |||||
2018 4th | 2019 4th | 2020 4th | (date) | (date) | (date) | (date) | 4th Highs | 4th Highs | Critical value | |||
Tulsa West (144) | 0.078 | 0.063 | 0.063 | 0.063 | 0.065 | 0.063 | 0.085 | |||||
0.069 | 0.066 | 0.062 | 14-Jun | 26-Sep | 10-Sep | 8-Oct | ||||||
Tulsa East (178) | 0.087 | 0.073 | 0.068 | 0.068 | 0.065 | 0.064 | 0.087 | |||||
0.070 | 0.067 | 0.059 | 15-Jun | 17-Jun | 1-Sep | 8-Oct | ||||||
Tulsa Central (1127) | 0.078 | 0.078 | 0.069 | 0.064 | 0.065 | 0.062 | 0.089 | |||||
0.073 | 0.066 | 0.058 | 14-Jun | 15-Jun | 1-Sep | 27-Jul | ||||||
Tulsa North (226) | 0.070 | 0.068 | 0.066 | 0.066 | 0.066 | 0.064 | 0.087 | |||||
0.073 | 0.064 | 0.062 | 14-Jun | 27-Jul | 26-Sep | 30-Apr | ||||||
Tulsa South (174) | 0.072 | 0.066 | 0.064 | 0.063 | 0.064 | 0.062 | 0.088 | |||||
0.067 | 0.064 | 0.061 | 4-Aug | 8-Oct | 26-Sep | 3-Aug | ||||||
OKC North (1037) | 0.082 | 0.080 | 0.069 | 0.069 | 0.069 | 0.068 | 0.078 | |||||
0.072 | 0.066 | 0.069 | 15-Jun | 16-Jun | 30-Jul | 7-Oct | ||||||
OKC Central (033) | permanently closed | |||||||||||
0.072 | closed | closed | ||||||||||
Moore (049) | 0.070 | 0.069 | 0.068 | 0.067 | 0.066 | 0.064 | 0.086 | |||||
0.071 | 0.064 | 0.063 | 16-Jun | 7-Oct | 15-Jun | 7-May | ||||||
Goldsby (1073) | permanently closed | |||||||||||
0.070 | closed | closed | ||||||||||
Choctaw (096) | 0.074 | 0.071 | 0.068 | 0.068 | 0.065 | 0.065 | 0.086 | |||||
0.069 | 0.065 | 0.062 | 16-Jun | 15-Jun | 7-Oct | 7-May | ||||||
Yukon (101) | 0.078 | 0.076 | 0.071 | 0.070 | 0.067 | 0.065 | 0.086 | |||||
0.076 | 0.065 | 0.062 | 4-Aug | 15-Jun | 14-Jun | 16-Jun | ||||||
Lawton (651) | 0.070 | 0.067 | 0.066 | 0.065 | 0.067 | 0.065 | 0.083 | |||||
0.072 | 0.066 | 0.064 | 16-Jun | 12-Sep | 9-Sep | 21-Jul | ||||||
McAlester (415) | 0.071 | 0.068 | 0.066 | 0.066 | 0.064 | 0.063 | 0.090 | |||||
0.069 | 0.066 | 0.057 | 25-Sep | 17-Jun | 31-Jul | 26-Sep | ||||||
Seiling (860) | 0.065 | 0.065 | 0.063 | 0.062 | 0.065 | 0.061 | 0.090 | |||||
0.073 | 0.062 | 0.061 | 15-Jun | 21-Jul | 7-Oct | 16-Jun | ||||||
Copan (217) | 0.071 | 0.070 | 0.069 | 0.064 | ||||||||
closed | closed | 0.062 | 3-Apr | 11-Apr | 15-Jun | 19-Jun | ||||||
Healdton (297) | closed 2021 — 2022 | |||||||||||
closed | 0.065 | 0.067 | ||||||||||
Tishomingo (324) | closed 2021 — 2022 | |||||||||||
closed | 0.059 | 0.067 | ||||||||||
Burneyville (300) | 0.081 | 0.076 | 0.075 | 0.074 | ||||||||
0.075 | closed | closed | 19-Jun | 7-Oct | 7-Sep | 27-Sep | ||||||
Great Plains (711) | 0.070 | 0.069 | 0.068 | 0.067 | ||||||||
new in 2021 | 16-Jun | 30-Jul | 22-Jul | 2-Aug | ||||||||
Kessler (1074) | 0.070 | 0.070 | 0.070 | 0.067 | ||||||||
new in 2021 | 16-Jun | 11-Sep | 7-Oct | 12-Sep | ||||||||
Waurika (671) | closed | |||||||||||
0.076 | closed | closed | ||||||||||
Durant (380) | permanently closed | |||||||||||
0.067 | closed | closed | ||||||||||
Oklahoma Union (207) | closed 2020 — 2021 |