Oklahoma Department of Environmental Quality
DEQlogofullcolor4web.jpg
2020 OKLAHOMA Ozone
Highest 8 Hour Averages (ppm) through December 31, 2020
 
Site     1st 2nd 3rd 4th 17-19 Avg 18-20 Avg 2020 (0.070)
2017 4th 2018 4th 2019 4th (date) (date) (date) (date) 4th Highs 4th Highs Critical value
Tulsa West (144) 0.068 0.067 0.066 0.062 0.066 0.065 0.078
0.064 0.069 0.066 1-May 8-Jun 9-Apr 8-Apr  
Tulsa East (178) 0.066 0.063 0.062 0.059 0.067 0.065 0.076
  0.064 0.070 0.067 8-Apr 24-Jun 3-Jul 1-May      
Tulsa Central (1127) 0.079 0.064 0.059 0.058 0.067 0.065 0.074
0.062 0.073 0.066 24-Jun 1-May 8-Apr 9-Apr  
Tulsa North (226) 0.067 0.065 0.063 0.062 0.067 0.066 0.076
0.064 0.073 0.064 24-Jun 1-May 9-Apr 5-Jun      
Tulsa South (174) 0.064 0.063 0.063 0.061 0.065 0.064 0.082
0.065 0.067 0.064 1-May 24-Jun 9-Apr 4-Jul  
OKC North (1037) 0.074 0.073 0.070 0.069 0.069 0.069 0.075
0.071 0.072 0.066 3-Sep 30-Aug 28-Aug 17-Jun      
OKC Central (033) closed 0.069  
0.067 0.072 closed  
Moore (049) 0.067 0.064 0.064 0.063 0.068 0.066 0.078
0.070 0.071 0.064 17-Jun 18-May 28-Aug 30-Aug      
Goldsby (1073) closed 0.069  
0.068 0.070 closed  
Choctaw (096) 0.066 0.065 0.063 0.062 0.068 0.065 0.079
0.070 0.069 0.065 17-Jun 1-May 30-Aug 28-Aug      
Yukon (101) 0.065 0.064 0.062 0.062 0.070 0.067 0.072
0.069 0.076 0.065 17-Jun 30-Aug 7-May 13-Jun  
Lawton (651) 0.065 0.065 0.064 0.064 0.068 0.067 0.075
0.067 0.072 0.066 23-Aug 29-Aug 14-Jun 17-Aug      
McAlester (415) 0.059 0.058 0.057 0.057 0.065 0.064 0.078
0.061 0.069 0.066 1-May 29-Feb 25-Mar 30-Aug  
Seiling (860) 0.065 0.063 0.061 0.061 0.067 0.065 0.078
0.066 0.073 0.062 1-Jul 28-Aug 14-Jun 15-Jun      
Copan (217) 0.063 0.063 0.062 0.062  
0.064 closed closed 8-Apr 1-May 13-Jun 18-Jun  
Burneyville (300) closed 2019 2020      
  0.077 0.075 closed      
  Waurika (671) closed 2019 2020  
  0.068 0.076 closed  
  Durant (380)   closed 2019 2020      
  0.064 0.067 closed      
  Healdton (297) 0.070 0.069 0.068 0.067  
  closed closed 0.065 17-Jun 6-Aug 7-Oct 1-May  
  Tishomingo (324) 0.069 0.069 0.068 0.067      
  closed closed 0.059 1-May 14-Oct 25-Mar 17-Jun      
Oklahoma Union (207) closed 2020 2021  
(new in 2018) 0.066 0.064