Top 10Updated 2026年3月16日
Top 10 Global Urban Heat Island Intensity Ranking
This ranking, based on 2026 urban climate monitoring data, assesses the average temperature difference between the central urban areas and surrounding suburbs of major global metropolises. UHI intensity reflects the impact of urbanization, building density, and green space distribution on microclimates, highlighting the cooling challenges cities face amid global warming.
Current #1
Jakarta
Interesting Facts & Summary
The Brutal Reality of Urban Heat Islands (UHI)
- Dominance of Asian Cities: Cities with high-density high-rise clusters dominate the top, where building materials (e.g., concrete, asphalt) trap heat, preventing nocturnal cooling.
- Data Contrast: Despite immense urbanization, Tokyo and New York feature lower temperature gaps than some emerging megacities, thanks to strategic green planning and wind corridors.
- Key Facts: A larger UHI gap correlates with higher AC energy demand and air pollution, making urban resilience planning critical.
| Rank | City Name | Average Temp Gap (℃) | Primary Driver |
|---|---|---|---|
Jakarta | 7.8 | Densely populated with low vegetation | |
Delhi | 7.5 | Extreme building density in high heat | |
Dhaka | 7.2 | Rapid and unplanned urban expansion | |
| 4 | Bangkok | 6.9 | High-rises obstructing ventilation |
| 5 | Shanghai | 6.5 | Heat absorption in dense CBD |
| 6 | Cairo | 6.3 | Stone architecture and arid climate |
| 7 | Mumbai | 6.1 | High humidity exacerbating stifling heat |
| 8 | Mexico City | 5.8 | Highland basin topography |
| 9 | Sao Paulo | 5.5 | Extensive concrete coverage |
| 10 | Tokyo | 5.2 | AC waste heat and urban complexity |
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