America is back above a painful threshold at the pump. AAA’s national average for regular gasoline hit $4.018 per gallon on March 31, 2026, up from $3.990 yesterday and $2.982 a month ago. That is a jump of just over $1.03 a gallon in 30 days, and reporting on AAA data says it is the fastest 30-day climb in more than five years.
The main driver is crude oil. Since the Iran war began, oil prices have moved above $100 a barrel, while shipping disruption and supply fears tied to the Strait of Hormuz have tightened fuel markets worldwide. Seasonal forces are adding pressure too, including the switch to more expensive summer-blend gasoline and stronger spring demand.
What stands out most is how uneven the surge has been. Utah posted the steepest 30-day increase in this state-by-state snapshot, with average regular gas up $1.446 a gallon, or 52.5%, from a month ago. Tennessee, Idaho, Kentucky, Florida, Mississippi, Louisiana, Texas, Arizona, and Indiana also posted gains of roughly 41% or more. On price alone, California remains the most expensive state at $5.887, followed by Hawaii at $5.452 and Washington at $5.346. Oklahoma is the cheapest at $3.272.
Below is the full state-by-state breakdown for regular gasoline, showing the current AAA average, the average a month ago, and the size of the increase. Source data are the individual AAA state pages accessed March 31, 2026.
| State | Current avg. | Month ago | Increase | % change |
|---|---|---|---|---|
| Alabama | $3.676 | $2.648 | $1.028 | 38.8% |
| Alaska | $4.590 | $3.594 | $0.996 | 27.7% |
| Arizona | $4.682 | $3.311 | $1.371 | 41.4% |
| Arkansas | $3.444 | $2.599 | $0.845 | 32.5% |
| California | $5.887 | $4.643 | $1.244 | 26.8% |
| Colorado | $3.874 | $2.871 | $1.003 | 34.9% |
| Connecticut | $3.953 | $2.915 | $1.038 | 35.6% |
| Delaware | $3.876 | $2.890 | $0.986 | 34.1% |
| District of Columbia | $4.191 | $3.106 | $1.085 | 34.9% |
| Florida | $4.124 | $2.898 | $1.226 | 42.3% |
| Georgia | $3.625 | $2.785 | $0.840 | 30.2% |
| Hawaii | $5.452 | $4.399 | $1.053 | 23.9% |
| Idaho | $4.267 | $2.971 | $1.296 | 43.6% |
| Illinois | $4.203 | $3.054 | $1.149 | 37.6% |
| Indiana | $3.975 | $2.818 | $1.157 | 41.1% |
| Iowa | $3.282 | $2.640 | $0.642 | 24.3% |
| Kansas | $3.288 | $2.550 | $0.738 | 28.9% |
| Kentucky | $3.784 | $2.639 | $1.145 | 43.4% |
| Louisiana | $3.630 | $2.561 | $1.069 | 41.7% |
| Maine | $3.863 | $2.911 | $0.952 | 32.7% |
| Maryland | $4.014 | $2.942 | $1.072 | 36.4% |
| Massachusetts | $3.818 | $2.906 | $0.912 | 31.4% |
| Michigan | $3.915 | $2.991 | $0.924 | 30.9% |
| Minnesota | $3.416 | $2.790 | $0.626 | 22.4% |
| Mississippi | $3.608 | $2.540 | $1.068 | 42.0% |
| Missouri | $3.438 | $2.657 | $0.781 | 29.4% |
| Montana | $3.711 | $2.803 | $0.908 | 32.4% |
| Nebraska | $3.369 | $2.753 | $0.616 | 22.4% |
| Nevada | $4.931 | $3.705 | $1.226 | 33.1% |
| New Hampshire | $3.801 | $2.855 | $0.946 | 33.1% |
| New Jersey | $3.927 | $2.916 | $1.011 | 34.7% |
| New Mexico | $3.850 | $2.760 | $1.090 | 39.5% |
| New York | $3.949 | $3.002 | $0.947 | 31.5% |
| North Carolina | $3.839 | $2.753 | $1.086 | 39.4% |
| North Dakota | $3.433 | $2.628 | $0.805 | 30.6% |
| Ohio | $3.794 | $2.812 | $0.982 | 34.9% |
| Oklahoma | $3.272 | $2.466 | $0.806 | 32.7% |
| Oregon | $4.933 | $3.922 | $1.011 | 25.8% |
| Pennsylvania | $3.976 | $3.106 | $0.870 | 28.0% |
| Rhode Island | $3.862 | $2.891 | $0.971 | 33.6% |
| South Carolina | $3.701 | $2.667 | $1.034 | 38.8% |
| South Dakota | $3.397 | $2.705 | $0.692 | 25.6% |
| Tennessee | $3.724 | $2.564 | $1.160 | 45.2% |
| Texas | $3.678 | $2.597 | $1.081 | 41.6% |
| Utah | $4.199 | $2.753 | $1.446 | 52.5% |
| Vermont | $3.931 | $3.009 | $0.922 | 30.6% |
| Virginia | $3.932 | $2.815 | $1.117 | 39.7% |
| Washington | $5.346 | $4.360 | $0.986 | 22.6% |
| West Virginia | $3.864 | $2.839 | $1.025 | 36.1% |
| Wisconsin | $3.615 | $2.739 | $0.876 | 32.0% |
| Wyoming | $3.846 | $2.740 | $1.106 | 40.4% |
The bottom line: gas is not just rising, it is rising fast enough to reshape household budgets in real time. Even states still below $4 are seeing shock-size jumps over a single month, while the West remains far above the national average. If crude stays elevated and the Hormuz disruption drags on, the next move from here is more likely to be up than down.
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