Climate Change in Aachen 12 indicators covering climate change for Aachen. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 11.31 Degrees celsius 2025 up 10.8% 729th Air temperature, hot days, tropical nights and icing days - Cities 1.94 Degrees celsius 2025 up 132.3% 407th Climate projections by scenario, 2030–2060 – Cities and FUAs 11.37 Degrees celsius 2060 up 3.6% 995th Climate projections by scenario, 2030–2060 – Cities and FUAs 1.45 Degrees celsius 2060 up 37.0% 1073rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.01 Tonnes of CO2-equivalent 2024 down 50.0% 695th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.33 Tonnes of CO2-equivalent 2024 down 5.7% 317th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.14 Tonnes of CO2-equivalent 2024 down 12.5% 661st Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.13 Tonnes of CO2-equivalent 2024 down 13.3% 656th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.12 Tonnes of CO2-equivalent 2024 up 9.1% 464th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 0.18 Tonnes of CO2-equivalent 2024 down 5.3% 580th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 0.81 Tonnes of CO2-equivalent 2024 down 6.9% 599th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.18 Tonnes of CO2-equivalent 2024 down 10.0% 584th