Oklahoma Department of Environmental Quality
DEQlogofullcolor4web.jpg
2021 OKLAHOMA Ozone
Highest 8 Hour Averages (ppm) through October 21, 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) 0.079 0.071 0.069 0.068 0.064 0.063 0.090
0.069 0.066 0.057 8-Oct 25-Sep 9-Oct 7-Oct  
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