Gas prices are surging as the ongoing conflict with Iran drives up crude oil costs, fueling higher prices at the pump nationwide.

The national average now stands at $3.98 per gallon, up $1 from a month ago, according to AAA.

Prices are climbing across nearly every region, with some states already well above the national average. 

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On the West Coast, drivers are seeing the highest costs, with prices reaching $5.87 per gallon in California and $5.32 in Washington.

Along the East Coast, gas prices are approaching or exceeding $4 in several areas, including $4.16 in Washington, D.C., and $3.93 in New York.

In the Midwest, Illinois stands out at $4.21 per gallon, while much of the region remains closer to the mid-$3 range. 

Southern states are generally lower, though still rising, with Texas at $3.60 and South Carolina at $3.64, while Florida is higher at $3.96.

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Diesel prices are climbing faster than gasoline, reflecting their close ties to freight and industry—meaning increases can ripple through supply chains and raise costs across the economy. 

Diesel averaged $5.41 a gallon, up $1.65 over the same period, according to AAA, surpassing $5 for the first time since December 2022 as the war in Iran continues to disrupt global energy supplies.