Climate Change in Hiroshima 12 indicators covering climate change for Hiroshima. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 15.92 Degrees celsius 2025 up 18.7% 357th Air temperature, hot days, tropical nights and icing days - Cities 2.83 Degrees celsius 2025 up 784.0% 257th Climate projections by scenario, 2030–2060 – Cities and FUAs 16.25 Degrees celsius 2060 up 2.8% 454th Climate projections by scenario, 2030–2060 – Cities and FUAs 2.15 Degrees celsius 2060 up 26.0% 255th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.07 Tonnes of CO2-equivalent 2024 unchanged 256th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.81 Tonnes of CO2-equivalent 2024 down 25.7% 148th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.57 Tonnes of CO2-equivalent 2024 down 16.2% 333rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.56 Tonnes of CO2-equivalent 2024 down 16.4% 323rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.46 Tonnes of CO2-equivalent 2024 up 187.5% 283rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 1.1 Tonnes of CO2-equivalent 2024 down 17.3% 144th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 3.1 Tonnes of CO2-equivalent 2024 down 9.9% 258th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.11 Tonnes of CO2-equivalent 2024 down 17.2% 153rd