Environment in Ravenna 16 indicators covering environment for Ravenna. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 14.4 Percentage change 2025 up 97.3% 6th Historical exposure to drought — Cropland soil moisture anomaly 12.84 Percentage change 2025 up 121.7% 23rd Historical exposure to drought — Land soil moisture anomaly 11.98 Percentage change 2025 up 121.9% 30th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.11 Tonnes of CO2-equivalent 2024 down 15.4% 300th River flooding exposure — Cropland share exposed to river flooding 15.32 Percentage of agricultural land area 2022 up 0.7% 270th Total and environment-related patents - FUAs — Patent applications 14.7 Patents 2022 up 88.5% 403rd Land surface temperature - Cities and FUAs — Daytime summer land 34.72 Degrees celsius 2024 up 3.6% 310th Land surface temperature - Cities and FUAs — Daytime winter land 10.45 Degrees celsius 2024 up 29.2% 561st Land surface temperature - Cities and FUAs — Daytime yearly land 23.85 Degrees celsius 2024 down 5.5% 480th Land surface temperature - Cities and FUAs — Nighttime summer land 19.29 Degrees celsius 2024 up 3.5% 394th Land surface temperature - Cities and FUAs — Nighttime winter land 0.6679 Degrees celsius 2024 up 328.7% 660th Land surface temperature - Cities and FUAs — Nighttime yearly land 10.73 Degrees celsius 2024 down 9.1% 413th Air pollution - Cities and FUAs — Population exposure to nitrogen 45.93 Microgrammes per cubic metre 2025 — 220th Air pollution - Cities and FUAs — Population exposure to ozone 110.37 Microgrammes per cubic metre 2025 — 192nd Air pollution - Cities and FUAs — Population exposure to PM10 64.57 Microgrammes per cubic metre 2025 — 150th Air pollution - Cities and FUAs — Population exposure to PM2.5 50.8 Microgrammes per cubic metre 2025 — 164th