Why record heat doesn’t hit every Phoenix-area neighborhood equally
By Molly Mcbride
Published on March 17, 2026.
Researchers have revealed that the urban heat island effect, which affects all parts of the Phoenix-area, does not evenly distribute temperatures. Depending on the amount of concrete and vegetation surrounding you, your area could be up to 10 degrees hotter than others. This phenomenon, known as the urbanheat island effect and called "heat sponges," occurs when heat accumulates on surfaces such as asphalt, concrete, rooftops, and parking lots during the day, causing temperatures to rise. These hot spots include an area near Thomas and Central, near the airport, and near where Interstate 17 meets the Loop 101.
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