COLUMBUS — Gas prices have risen around Ohio in the past week, though drivers in the state are still paying less than the national average.

Ohio’s average for a gallon of regular fuel was $2.26 in Monday’s survey from auto club AAA, the Oil Price Information Service and WEX Inc. That’s up from $2.19 a week ago and just a penny more than the average a year ago.

In Delaware the cheapest was $2.25 at Meijer and the most expensive was $2.49 at Marathon Monday afternoon.

The national average was about $2.34. That’s a penny cheaper than a week ago but above the average of $2.22 reported at this time last year.

AAA says gas prices had slowly dropped in early May because of a glut of available gasoline in the U.S., high production and a drop in crude oil prices.