Gas prices are a penny lower in Western Pennsylvania this week at $3.423 per gallon, according to AAA East Central's Gas Price report. 

This week’s average prices: Western Pennsylvania Average $3.423
Average price during the week of Dec. 9, 2024 $3.438
Average price during the week of Dec. 18, 2023 $3.456

The average price of unleaded self-serve gasoline in various areas:

$3.345 Altoona
$3.473 Beaver
$3.631 Bradford
$3.310 Brookville
$3.482 Butler
$3.366 Clarion
$3.414 DuBois
$3.386 Erie
$3.415 Greensburg
$3.410 Indiana
$3.444 Jeannette
$3.471 Kittanning
$3.454 Latrobe
$3.444 Meadville
$3.493 Mercer
$3.254 New Castle
$3.425 New Kensington
$3.499 Oil City
$3.396 Pittsburgh
$3.224 Sharon
$3.396 Uniontown
$3.602 Warren
$3.385 Washington

The national average for a gallon of gas has risen a penny over the past week to $3.02. According to AAA, it has been close to the $3 level for five weeks, and 31 states already have averages below $3. 

Today's national average is five cents less than a month ago and five cents less than a year ago. 

More information on gas prices can be found on AAA's website.