Climate Change in Indianapolis 12 indicators covering climate change for Indianapolis. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 13.91 Degrees celsius 2025 up 20.3% 501st Air temperature, hot days, tropical nights and icing days - Cities 2.57 Degrees celsius 2025 up 1,050.2% 293rd Climate projections by scenario, 2030–2060 – Cities and FUAs 13.93 Degrees celsius 2060 up 0.1% 635th Climate projections by scenario, 2030–2060 – Cities and FUAs 1.76 Degrees celsius 2060 up 1.0% 617th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.09 Tonnes of CO2-equivalent 2024 unchanged 195th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.27 Tonnes of CO2-equivalent 2024 down 5.4% 54th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.61 Tonnes of CO2-equivalent 2024 up 10.1% 98th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.56 Tonnes of CO2-equivalent 2024 up 10.3% 94th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 1.26 Tonnes of CO2-equivalent 2024 up 50.0% 136th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 2.2 Tonnes of CO2-equivalent 2024 down 0.9% 57th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 9 Tonnes of CO2-equivalent 2024 up 6.0% 84th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.32 Tonnes of CO2-equivalent 2024 up 0.4% 55th