Here are the latest polls from the battleground states, updated as needed through the day:
Florida: Obama 53%, Romney 44% (NYT/CBS/Quinnipiac)
Florida: Obama 49%, Romney 46% (InsiderAdvantage)
Iowa: Obama 51%, Romney 44% (Public Policy Polling)
Ohio: Obama 53%, Romney 43% (NYT/CBS/Quinnipiac)
Pennsylvania: Obama 54%, Romney 42% (NYT/CBS/Quinnipiac)
Pennsylvania: Obama 52%, Romney 43% (Franklin & Marshall)