Environment in San Sebastián/Donostia 13 indicators covering environment for San Sebastián/Donostia. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -1.4 Percentage change 2025 down 143.8% 512th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.01 Tonnes of CO2-equivalent 2024 down 50.0% 872nd Total and environment-related patents - FUAs — Patent applications 19.5 Patents 2022 down 18.8% 358th Land surface temperature - Cities and FUAs — Daytime summer land 25.97 Degrees celsius 2024 down 3.2% 1167th Land surface temperature - Cities and FUAs — Daytime winter land 11.94 Degrees celsius 2024 up 16.9% 469th Land surface temperature - Cities and FUAs — Daytime yearly land 19.52 Degrees celsius 2024 down 5.6% 919th Land surface temperature - Cities and FUAs — Nighttime summer land 13.96 Degrees celsius 2024 down 11.3% 1025th Land surface temperature - Cities and FUAs — Nighttime winter land 3.91 Degrees celsius 2024 up 90.7% 395th Land surface temperature - Cities and FUAs — Nighttime yearly land 9.69 Degrees celsius 2024 down 7.8% 508th Air pollution - Cities and FUAs — Population exposure to nitrogen 34.84 Microgrammes per cubic metre 2025 — 601st Air pollution - Cities and FUAs — Population exposure to ozone 115.21 Microgrammes per cubic metre 2025 — 167th Air pollution - Cities and FUAs — Population exposure to PM10 31.34 Microgrammes per cubic metre 2025 — 938th Air pollution - Cities and FUAs — Population exposure to PM2.5 22.48 Microgrammes per cubic metre 2025 — 887th