Environment in Barcelona 16 indicators covering environment for Barcelona. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -1 Percentage change 2025 down 600.0% 469th Historical exposure to drought — Cropland soil moisture anomaly 0.6027 Percentage change 2025 up 108.9% 742nd Historical exposure to drought — Land soil moisture anomaly 0.3284 Percentage change 2025 down 10.5% 832nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.16 Tonnes of CO2-equivalent 2024 up 6.7% 229th River flooding exposure — Cropland share exposed to river flooding 1.27 Percentage of agricultural land area 2022 down 4.3% 1881st Total and environment-related patents - FUAs — Patent applications 297.7 Patents 2022 down 32.3% 55th Land surface temperature - Cities and FUAs — Daytime summer land 34.55 Degrees celsius 2024 down 1.5% 321st Land surface temperature - Cities and FUAs — Daytime winter land 14.81 Degrees celsius 2024 up 13.4% 322nd Land surface temperature - Cities and FUAs — Daytime yearly land 25.15 Degrees celsius 2024 up 0.4% 397th Land surface temperature - Cities and FUAs — Nighttime summer land 20.96 Degrees celsius 2024 up 1.7% 235th Land surface temperature - Cities and FUAs — Nighttime winter land 5.9 Degrees celsius 2024 up 42.6% 275th Land surface temperature - Cities and FUAs — Nighttime yearly land 13.4 Degrees celsius 2024 up 5.2% 227th Air pollution - Cities and FUAs — Population exposure to nitrogen 43.24 Microgrammes per cubic metre 2025 — 318th Air pollution - Cities and FUAs — Population exposure to ozone 97.8 Microgrammes per cubic metre 2025 — 356th Air pollution - Cities and FUAs — Population exposure to PM10 33.43 Microgrammes per cubic metre 2025 — 873rd Air pollution - Cities and FUAs — Population exposure to PM2.5 25.55 Microgrammes per cubic metre 2025 — 741st