Environment in Bologna 16 indicators covering environment for Bologna. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 6.6 Percentage change 2025 up 450.0% 56th Historical exposure to drought — Cropland soil moisture anomaly 7.85 Percentage change 2025 up 316.9% 84th Historical exposure to drought — Land soil moisture anomaly 7.65 Percentage change 2025 up 373.0% 73rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.03 Tonnes of CO2-equivalent 2024 down 25.0% 584th River flooding exposure — Cropland share exposed to river flooding 5.87 Percentage of agricultural land area 2022 up 0.5% 793rd Total and environment-related patents - FUAs — Patent applications 223.3 Patents 2022 up 84.9% 76th Land surface temperature - Cities and FUAs — Daytime summer land 35.94 Degrees celsius 2024 up 1.0% 246th Land surface temperature - Cities and FUAs — Daytime winter land 10.73 Degrees celsius 2024 up 22.8% 542nd Land surface temperature - Cities and FUAs — Daytime yearly land 23.69 Degrees celsius 2024 down 8.9% 493rd Land surface temperature - Cities and FUAs — Nighttime summer land 21.68 Degrees celsius 2024 up 8.4% 171st Land surface temperature - Cities and FUAs — Nighttime winter land 1.45 Degrees celsius 2024 up 780.1% 566th Land surface temperature - Cities and FUAs — Nighttime yearly land 11.84 Degrees celsius 2024 down 3.7% 320th Air pollution - Cities and FUAs — Population exposure to nitrogen 51.61 Microgrammes per cubic metre 2025 — 101st Air pollution - Cities and FUAs — Population exposure to ozone 92.11 Microgrammes per cubic metre 2025 — 481st Air pollution - Cities and FUAs — Population exposure to PM10 70.62 Microgrammes per cubic metre 2025 — 127th Air pollution - Cities and FUAs — Population exposure to PM2.5 56.73 Microgrammes per cubic metre 2025 — 132nd