Environment in Osaka 15 indicators covering environment for Osaka. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -9.5 Percentage change 2025 down 295.8% 1133rd Historical exposure to drought — Cropland soil moisture anomaly -10.07 Percentage change 2025 down 232.6% 2753rd Historical exposure to drought — Land soil moisture anomaly -10.8 Percentage change 2025 down 253.9% 2916th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.94 Tonnes of CO2-equivalent 2024 down 20.3% 39th River flooding exposure — Cropland share exposed to river flooding 2.01 Percentage of agricultural land area 2022 down 16.0% 1618th Land surface temperature - Cities and FUAs — Daytime summer land 32.95 Degrees celsius 2024 down 1.6% 420th Land surface temperature - Cities and FUAs — Daytime winter land 10.3 Degrees celsius 2024 up 20.6% 565th Land surface temperature - Cities and FUAs — Daytime yearly land 21.71 Degrees celsius 2024 down 0.0% 654th Land surface temperature - Cities and FUAs — Nighttime summer land 21.44 Degrees celsius 2024 up 3.1% 194th Land surface temperature - Cities and FUAs — Nighttime winter land 1.58 Degrees celsius 2024 up 867.0% 550th Land surface temperature - Cities and FUAs — Nighttime yearly land 10.25 Degrees celsius 2024 up 4.9% 449th Air pollution - Cities and FUAs — Population exposure to nitrogen 18.78 Microgrammes per cubic metre 2025 — 817th Air pollution - Cities and FUAs — Population exposure to ozone 63.63 Microgrammes per cubic metre 2025 — 952nd Air pollution - Cities and FUAs — Population exposure to PM10 38.26 Microgrammes per cubic metre 2025 — 637th Air pollution - Cities and FUAs — Population exposure to PM2.5 11.19 Microgrammes per cubic metre 2025 — 1041st