Climate Change in Chicago 12 indicators covering climate change for Chicago. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 11.39 Degrees celsius 2025 up 16.3% 724th Air temperature, hot days, tropical nights and icing days - Cities 1.45 Degrees celsius 2025 up 1,137.8% 476th Climate projections by scenario, 2030–2060 – Cities and FUAs 12.3 Degrees celsius 2060 down 0.3% 796th Climate projections by scenario, 2030–2060 – Cities and FUAs 2.02 Degrees celsius 2060 down 1.6% 348th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.32 Tonnes of CO2-equivalent 2024 unchanged 45th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 15.21 Tonnes of CO2-equivalent 2024 down 11.2% 5th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 33.93 Tonnes of CO2-equivalent 2024 down 1.6% 2nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 33.49 Tonnes of CO2-equivalent 2024 down 1.7% 2nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 21.53 Tonnes of CO2-equivalent 2024 down 0.2% 5th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 11.36 Tonnes of CO2-equivalent 2024 down 1.0% 4th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 87.8 Tonnes of CO2-equivalent 2024 down 3.0% 4th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 11.97 Tonnes of CO2-equivalent 2024 up 0.3% 4th