Oklahoma Department of Environmental Quality
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2014 OKLAHOMA SO2
Highest 1 Hour Daily Highs (ppb) through December 31, 2014
 
Site          2014 Daily Max 1-hr Values   3 Year Avg of 99th Percentile
2011 2012 2013 1st 2nd 3rd 4th* 11-13 Avg 12-14 Avg 2014
99th % 99th %  99th %   (date)  (date)  (date) 99th % 99th % Critical Value
Muskogee  (167) 70.0 67.0 58.0 48.0 65 49 128
94 63 37 31-Mar 16-Jun 21-Mar 22-Feb      
Ponca City  (604)   47.0 45.0 44.0 40.0 n/a n/a 160
(new) 38 30 21-Mar 18-Mar 16-Apr 30-Mar    
Ponca City  (602) (closed) (closed) n/a n/a n/a
38 34        
OKC (North) (1037) 7.0 4.0 3.0 3.0 4.0 3.3 221
5.0 4.0 3.0 30-Sep 23-Sep 10-Jan 5-Mar    
Tulsa Newblock  (175) 32.0 20.0 18.0 14.0 55 37 132
68 54 42 15-Jan 21-Aug 20-Aug 18-Jun      
Tulsa TCWD (235) 11.0 10.0 10.0 8.0 26 17 185
34 24 19 18-Feb 14-Jan 29-Sep 18-Jan    
Tulsa  Edison (501) (closed) na n/a n/a
45 58 n/a      
Tulsa Central (1127) 9.3 9.0 6.9 5.9 20 14 193
25.3 15.5 19.8 11-Feb 9-Dec 3-Mar 13-Aug    
Tulsa Riverside (179) 34.0 8.0 8.0 7.0   (new) n/a
    48 15-Jan 11-Feb 3-Nov 15-Apr  
* 4th Highs are considered 99th percentile until end of year data completeness can be calculated.