Oklahoma Department of Environmental Quality
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2010 2014 OKLAHOMA Carbon Monoxide
Highest 8 Hour Averages (ppm) through December 31, 2014
Site  2010 2011 2012 2013 2014
  1st 2nd 1st 2nd 1st 2nd 1st 2nd 1st 2nd
Tulsa 2.2 2.0 (analyzer removed) (analyzer removed) (analyzer removed) (analyzer removed)
Site 191 3-Dec 2-Dec
     
Tulsa 1.4 1.4 1.4 1.4 1.2 1.2 1.3 1.0 1.0 0.9
Site 1127 3-Dec 19-Jan 29-Jan 25-Dec 2-Feb 30-Dec 20-Jan 2-Feb 9-Dec 12-Jan
                     
OKC     1.1 1.0 0.7 0.6 0.9 0.8 0.7 0.7
Site 1037     24-Dec 17-Dec 3-Jan 13-Jan 4-Jan 18-Jan 26-Jan 9-Dec
                     
OKC 1.1 0.7 (analyzer removed) (analyzer removed) (analyzer removed) (analyzer removed)
Site 033 14-Nov 3-Mar