AAA Michigan says gasoline prices are up 5.2 cents per gallon over the past week to a statewide average of $2.83. And the Ann Arbor area has the highest average in the state at $2.88 a gallon.

AAA said today that the statewide average is 17.9 cents per gallon higher than last year at this time.

Of the cities it surveys, AAA Michigan says the cheapest price for self-serve regular fuel is in the Lansing/E. Lansing area, where it's $2.77 a gallon.

Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily.