Arizona Gas Prices Start to Rise Featured

Gas prices are going up in Az, bucking the national trend

Big Idea

  • Refinery issues in California are leading to increases in areas supplied by CA refineries
  • Nationally, the average price continues to drop, but slightly
  • We are in a “very fragile time”
  • Prices in Phoenix are still nearly $1 higher than a year ago
  • Read more…


The upward trend in gas prices has returned in Arizona

Average gasoline prices in Phoenix have risen 9.3 cents per gallon in the last week, averaging $4.05/g today, according to GasBuddy's survey of 1,094 stations in Phoenix. Prices in Phoenix are 6.0 cents per gallon lower than a month ago and stand 93.2 cents per gallon higher than a year ago. The national average price of diesel has declined 5.5 cents in the last week and stands at $5.01 per gallon.

According to GasBuddy price reports, the cheapest station in Phoenix was priced at $3.49/g yesterday while the most expensive was $4.59/g, a difference of $1.10/g. The lowest price in the state yesterday was $3.09/g while the highest was $5.99/g, a difference of $2.90/g.

The national average price of gasoline has fallen 7.6 cents per gallon in the last week, averaging $3.67/g today. The national average is down 26.9 cents per gallon from a month ago and stands 52.3 cents per gallon higher than a year ago, according to GasBuddy data compiled from more than 11 million weekly price reports covering over 150,000 gas stations across the country.

Historical gasoline prices in Phoenix and the national average going back ten years:
September 12, 2021: $3.12/g (U.S. Average: $3.15/g)
September 12, 2020: $2.37/g (U.S. Average: $2.18/g)
September 12, 2019: $2.90/g (U.S. Average: $2.56/g)
September 12, 2018: $2.85/g (U.S. Average: $2.84/g)
September 12, 2017: $2.37/g (U.S. Average: $2.65/g)
September 12, 2016: $2.07/g (U.S. Average: $2.17/g)
September 12, 2015: $2.41/g (U.S. Average: $2.35/g)
September 12, 2014: $3.34/g (U.S. Average: $3.41/g)
September 12, 2013: $3.35/g (U.S. Average: $3.53/g)
September 12, 2012: $3.72/g (U.S. Average: $3.86/g)


Neighboring areas and their current gas prices:
Arizona- $3.95/g, up 2.7 cents per gallon from last week's $3.92/g.
Las Vegas- $4.78/g, up 0.7 cents per gallon from last week's $4.77/g.
Tucson- $3.52/g, down 5.9 cents per gallon from last week's $3.58/g. 


“We continue to see the national average price of gasoline decline, now for the thirteenth straight week. But, we're seeing drastically different price behaviors from coast to coast, with some areas seeing noticeable increases while others are seeing decreases," said Patrick De Haan, head of petroleum analysis at GasBuddy. "Refinery issues in California are leading to increases in areas supplied by the state’s refineries, including areas of Arizona, Nevada, Oregon, Washington and of course, California. Gasoline supply remains tight for the East Coast with some modest moves up, while prices continue to edge lower in the Plains, South and areas of the Great Lakes. For now, I believe the drop in prices will overpower the increases, leading to potentially another decline this week, but we're in a very fragile time and certainly could see a broader move higher in the weeks ahead."

GasBuddy is the authoritative voice for gas prices and the only source for station-level data. GasBuddy's survey updates 288 times every day from the most diverse list of sources covering nearly 150,000 stations nationwide, the most comprehensive and up-to-date in the country. GasBuddy data is accessible at http://prices.GasBuddy.com.


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Last modified on Tuesday, 13 September 2022 08:55
Published in Arizona News
Patrick De Haan

Patrick De Haan is the head of petroleum analysis for GasBuddy, and has developed into the leading source for reliable and accurate information on gas price hikes. Recognized as a gasoline price expert, Patrick brings to GasBuddy and our readers all his assets to help consumers by giving reliable and accurate price forecasts.The San Jose Mercury News dubbed Patrick "one of the nation's most accurate forecasters" in 2012.

Besides keeping people up-to-date on the best local gas prices, GasBuddy also offers other ways to save money at the pump.


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