The effect of urban heat island intensity on the rate of emergency department visits for acute myocardial infarctions
Authors' conclusion
This study highlights the intersection of SUHII, AMI events, and various environmental and social factors within urban areas on a census tract-level.
Study context
- Population
- Residents of urban census tracts in California
- Comparison
- Median and high vs low surface urban heat island intensity (SUHII) exposure
- Outcome
- Predicted AMI event rate (ED visits)
Methodological detailscensus tract-level, publicly available data
- Census tract-level
- Publicly available data
Main finding
As reported in the abstract
Predicted AMI event rate
Increased acute myocardial infarction (AMI) event rate
17 %
Median SUHII
Increased AMI event rate
22%
High SUHII
Further findings
PM2.5 and Social Vulnerability Index (SVI)
- Increasing PM2.5 and SVI associated with increasing predicted AMI event rates
Racial and ethnic composition
- Tracts with higher % Hispanic, Black and American Indian individuals had higher predicted AMI event rates
Original publication
The effect of urban heat island intensity on the rate of emergency department visits for acute myocardial infarctions. Eur J Prev Cardiol. Published 17 December 2025. doi:10.
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