In Illinois, gas prices have fallen 1.5 cents per gallon in the last week. Gas averages $4.24 per gallon today, according to GasBuddy’s survey of 4,378 gas stations in Illinois. 

Illinois gas prices are 62.9 cents per gallon lower than a month ago and are $1.02 per gallon higher than a year ago. 

The cheapest gas station in Illinois was priced yesterday at $3.49 per gallon while the most expensive was $5.89 per gallon, according to GasBuddy. There is a difference of $2.40. 

The national average gas price has gone down 5.1 cents per gallon in the last week, down 51.3 cents per gallon from a month ago and is 72.2 cents per gallon higher than a year ago, averaging $3.86 per gallon today. 

“While some areas saw gas prices rise slightly last week, the national average saw yet another weekly decline, extending the streak to ten straight weeks,” said Patrick De Haan, head of petroleum analysis at GasBuddy.