AAA Michigan says gasoline prices have risen about 7 cents during the past week to a statewide average of about $3.37 per gallon.
The auto club says Monday the average is about 10 cents per gallon more than this time last year.
Of the cities it surveys, AAA Michigan says the cheapest price for self-serve unleaded fuel is in the Grand Rapids area, where it's about $3.24 a gallon. The highest average is in the Ann Arbor area at about $3.34 a gallon.
Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily.