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Climate change in Tucson, Arizona
Climate change is affecting locations like Tucson in a variety of ways. In summer, these impacts include increased health risks from extreme heat, more frequent fire weather, and hotter summers.
Explore these pages to learn how people in Tucson are at risk in a warming world.
Tucson's climate threats in include:
Explore some ways climate change is affecting Tucson in summer
More risks for pregnancy
Climate change has doubled pregnancy heat-risk days worldwide (2020-2024).
More record heat
Daily heat records have outnumbered daily cold records in recent years.
More fire weather
Wildfire seasons are lengthening and intensifying.
Hotter summers
Hotter summers bring more dangerous heat, higher energy bills, and worse wildfire.
More graphics about Tucson and climate change
Browse climate-related graphics for all seasons localized for Tucson, available for download and use consistent with our Terms of use.
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