Gasoline prices in Massachusetts are up this week according to AAA Northeast’s survey of prices.

The price of self-serve regular has increased one cent to an average of $2.16 which is thirteen cents below the national average for regular unleaded of $2.29.

A year ago at this time, the average price of regular unleaded was 30-cents lower at $1.86.

The range in prices in the latest AAA survey for regular unleaded regular is 34 cents from a low of $2.05 to a high of $2.39.