Environment in Salamanca 16 indicators covering environment for Salamanca. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 4.5 Percentage change 2025 down 76.7% 112th Historical exposure to drought — Cropland soil moisture anomaly -0.4266 Percentage change 2025 up 92.6% 944th Historical exposure to drought — Land soil moisture anomaly -0.177 Percentage change 2025 up 96.9% 944th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.75 Tonnes of CO2-equivalent 2024 up 13.6% 50th River flooding exposure — Cropland share exposed to river flooding 0.8169 Percentage of agricultural land area 2022 down 1.8% 2083rd Total and environment-related patents - FUAs — Patent applications 4.2 Patents 2022 up 281.8% 574th Land surface temperature - Cities and FUAs — Daytime summer land 33.59 Degrees celsius 2024 up 3.1% 380th Land surface temperature - Cities and FUAs — Daytime winter land 30.94 Degrees celsius 2024 up 4.7% 28th Land surface temperature - Cities and FUAs — Daytime yearly land 27.19 Degrees celsius 2024 down 5.5% 295th Land surface temperature - Cities and FUAs — Nighttime summer land 16.84 Degrees celsius 2024 up 5.5% 620th Land surface temperature - Cities and FUAs — Nighttime winter land 2.25 Degrees celsius 2024 up 1,476.6% 484th Land surface temperature - Cities and FUAs — Nighttime yearly land 9.79 Degrees celsius 2024 up 4.3% 492nd Air pollution - Cities and FUAs — Population exposure to nitrogen 11.44 Microgrammes per cubic metre 2025 — 978th Air pollution - Cities and FUAs — Population exposure to ozone 86.21 Microgrammes per cubic metre 2025 — 588th Air pollution - Cities and FUAs — Population exposure to PM10 81.48 Microgrammes per cubic metre 2025 — 81st Air pollution - Cities and FUAs — Population exposure to PM2.5 77.98 Microgrammes per cubic metre 2025 — 51st