Environment in Jena 13 indicators covering environment for Jena. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -3.9 Percentage change 2025 down 14.7% 769th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0 Tonnes of CO2-equivalent 2024 down 100.0% 1178th Total and environment-related patents - FUAs — Patent applications 87.3 Patents 2022 down 9.8% 146th Land surface temperature - Cities and FUAs — Daytime summer land 27.01 Degrees celsius 2024 down 13.0% 1043rd Land surface temperature - Cities and FUAs — Daytime winter land 3.96 Degrees celsius 2024 up 123.7% 1016th Land surface temperature - Cities and FUAs — Daytime yearly land 18.49 Degrees celsius 2024 down 11.8% 1058th Land surface temperature - Cities and FUAs — Nighttime summer land 14.15 Degrees celsius 2024 down 5.2% 996th Land surface temperature - Cities and FUAs — Nighttime winter land -4.42 Degrees celsius 2024 down 4.5% 1172nd Land surface temperature - Cities and FUAs — Nighttime yearly land 6.09 Degrees celsius 2024 down 14.6% 1115th Air pollution - Cities and FUAs — Population exposure to nitrogen 35.15 Microgrammes per cubic metre 2025 — 593rd Air pollution - Cities and FUAs — Population exposure to ozone 89.98 Microgrammes per cubic metre 2025 — 518th Air pollution - Cities and FUAs — Population exposure to PM10 35.87 Microgrammes per cubic metre 2025 — 767th Air pollution - Cities and FUAs — Population exposure to PM2.5 28.68 Microgrammes per cubic metre 2025 — 593rd