That's the first time in several years that Boehner has slipped below House Minority Leader Nancy Pelosi (D-Calif.) in the Rasmussen survey. The Democratic leader held a 37 percent favorability rating in the poll.
 
The poll was released Friday, just hours after Boehner was unable to rally Republican support behind his "Plan B" proposal, intended to secure additional leverage in "fiscal cliff" negotiations with President Obama. And it comes just a day after President Obama's approval rating in the Gallup daily tracking poll hit 56 percent, the highest mark for the president since October 2009.

Boehner's slipping popularity likely comes from voters' wariness with Republicans as the deadline to reach a debt deal approaches.

In a Pew Research poll released earlier this month, 53 percent said they would blame the GOP if the crisis was not resolved, versus just 27 percent who said they would blame Democrats.