Environment in Saarbrücken 13 indicators covering environment for Saarbrücken. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -2.9 Percentage change 2025 up 46.3% 671st Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.02 Tonnes of CO2-equivalent 2024 down 33.3% 703rd Total and environment-related patents - FUAs — Patent applications 39.8 Patents 2022 down 40.3% 242nd Land surface temperature - Cities and FUAs — Daytime summer land 26.79 Degrees celsius 2024 down 9.8% 1070th Land surface temperature - Cities and FUAs — Daytime winter land 3.45 Degrees celsius 2024 up 34.3% 1076th Land surface temperature - Cities and FUAs — Daytime yearly land 18.79 Degrees celsius 2024 down 11.9% 1017th Land surface temperature - Cities and FUAs — Nighttime summer land 14.89 Degrees celsius 2024 down 7.1% 881st Land surface temperature - Cities and FUAs — Nighttime winter land -0.5589 Degrees celsius 2024 up 73.9% 810th Land surface temperature - Cities and FUAs — Nighttime yearly land 8.04 Degrees celsius 2024 down 13.0% 687th Air pollution - Cities and FUAs — Population exposure to nitrogen 42.11 Microgrammes per cubic metre 2025 — 370th Air pollution - Cities and FUAs — Population exposure to ozone 82.17 Microgrammes per cubic metre 2025 — 680th Air pollution - Cities and FUAs — Population exposure to PM10 36.07 Microgrammes per cubic metre 2025 — 762nd Air pollution - Cities and FUAs — Population exposure to PM2.5 27.99 Microgrammes per cubic metre 2025 — 633rd