Oklahoma Department of Environmental Quality
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2011 OKLAHOMA SO2
Highest 1 Hour Daily Highs (ppm) through 12/31/2011
 
Site          2011 Daily Max 1-hr Values   3 Year Avg of 99th Percentile
2008 2009 2010 1st 2nd 3rd 4th* 08-10 Avg 09-11 Avg 2011
99th % 99th %  99th % (date) (date)  (date)  (date) 99th % 99th % Critical Value
Muskogee  (167) 0.125 0.113 0.096 0.094 0.047 0.055 0.158
0.070 0.040 0.030 24-Jan 18-Nov 15-Mar 25-Oct      
Ponca City  (602) 0.041 0.040 0.036 0.034 0.035 0.033 0.164
0.042 0.026 0.038 15-Mar 14-Jan 29-May 29-Apr    
OKC (North) (1037) 0.006 0.005 0.005 0.005 0.006 0.005 0.217
0.008 0.005 0.006 16-Dec 3-Feb 3-Oct 4-Oct      
Tulsa PARK (175) 0.075 0.073 0.072 0.068 0.070 0.065 0.102
0.085 0.063 0.063 13-Nov 16-Oct 11-Nov 18-Jun    
Tulsa TCWD (235) 0.064 0.053 0.047 0.034 0.036 0.032 0.166
0.045 0.029 0.033 6-Jan 5-Jan 27-Sep 8-Jan      
Tulsa  EDIS (501) 0.063 0.050 0.048 0.045 0.043 0.042 0.146
0.047 0.037 0.045 13-Nov 14-Jun 25-Oct 6-Apr    
Tulsa Central (1127) 0.0302 0.0269 0.0266 0.0253 0.021 0.021 0.192
0.0279 0.0194 0.0169 2-Jan 12-Jul 13-Nov 5-Apr      
* 4th Highs are considered 99th percentile until end of year data completeness can be calculated.