For the first time in seven weeks, gasoline prices at the pump around Arizona are up slightly. Officials with AAA Arizona says the average statewide price for unleaded regular gasoline is at $3.39 a gallon. That is an increase of less than a penny from last week. This week's national average is at $3.55 per gallon, down by almost four-cents from the previous week. Tucson has the lowest average gasoline price in Arizona at $3.29 a gallon while Flagstaff has the highest at $3.63.