The Bureau of Labor Statistics will release the CPI on the following dates in 2011:

January 14 (reference month: December 2010)
February 17 (reference month: January 2011)
March 17 (reference month: February 2011)
April 15 (reference month: March 2011)
May 13 (reference month: April 2011)
June 15 (reference month: May 2011)
July 15 (reference month: June 2011)
August 18 (reference month: July 2011)
September 15 (reference month: August 2011)
October 19 (reference month: September 2011)
November 16 (reference month: October 2011)
December 16 (reference month: November 2011)