Environment in Santiago de Compostela 13 indicators covering environment for Santiago de Compostela. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -3.1 Percentage change 2025 down 93.8% 686th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.02 Tonnes of CO2-equivalent 2024 unchanged 703rd Total and environment-related patents - FUAs — Patent applications 11.8 Patents 2022 down 56.1% 431st Land surface temperature - Cities and FUAs — Daytime summer land 27.39 Degrees celsius 2024 down 7.1% 1004th Land surface temperature - Cities and FUAs — Daytime winter land 10.87 Degrees celsius 2024 up 0.6% 541st Land surface temperature - Cities and FUAs — Daytime yearly land 20.74 Degrees celsius 2024 down 10.2% 752nd Land surface temperature - Cities and FUAs — Nighttime summer land 12.78 Degrees celsius 2024 down 1.1% 1181st Land surface temperature - Cities and FUAs — Nighttime winter land 4.28 Degrees celsius 2024 up 53.9% 373rd Land surface temperature - Cities and FUAs — Nighttime yearly land 8.21 Degrees celsius 2024 up 10.1% 662nd Air pollution - Cities and FUAs — Population exposure to nitrogen 25.62 Microgrammes per cubic metre 2025 — 754th Air pollution - Cities and FUAs — Population exposure to ozone 119.3 Microgrammes per cubic metre 2025 — 140th Air pollution - Cities and FUAs — Population exposure to PM10 34.54 Microgrammes per cubic metre 2025 — 831st Air pollution - Cities and FUAs — Population exposure to PM2.5 20.74 Microgrammes per cubic metre 2025 — 926th