The latest polls in the swing states:
Wisconsin (Marquette poll) Clinton +4
Florida (Quinnipiac) Trump +4
Virginia (Fox News) Clinton +7
Pennsylvania (Quinnipiac) Trump +2, (NBC/WSJ/Marist) Clinton +9
Ohio (Quinnipiac, NBC/WSJ) tied
Iowa (NBC/WSJ/Marist) Clinton +3, (Monmouth) +2 Trump
Colorado (Fox News) Clinton +9, (Monmouth) Clinton +13
More here.