Environment in Okayama 12 indicators covering environment for Okayama. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -11.2 Percentage change 2025 down 486.2% 1220th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.14 Tonnes of CO2-equivalent 2024 down 17.6% 257th Land surface temperature - Cities and FUAs — Daytime summer land 32.24 Degrees celsius 2024 down 0.5% 477th Land surface temperature - Cities and FUAs — Daytime winter land 10.58 Degrees celsius 2024 up 21.3% 558th Land surface temperature - Cities and FUAs — Daytime yearly land 21.36 Degrees celsius 2024 down 2.2% 686th Land surface temperature - Cities and FUAs — Nighttime summer land 21.77 Degrees celsius 2024 up 6.4% 164th Land surface temperature - Cities and FUAs — Nighttime winter land 1.13 Degrees celsius 2024 up 317.9% 618th Land surface temperature - Cities and FUAs — Nighttime yearly land 9.4 Degrees celsius 2024 up 3.1% 546th Air pollution - Cities and FUAs — Population exposure to nitrogen 14.3 Microgrammes per cubic metre 2025 — 895th Air pollution - Cities and FUAs — Population exposure to ozone 63.8 Microgrammes per cubic metre 2025 — 955th Air pollution - Cities and FUAs — Population exposure to PM10 29.18 Microgrammes per cubic metre 2025 — 985th Air pollution - Cities and FUAs — Population exposure to PM2.5 13.33 Microgrammes per cubic metre 2025 — 1015th