Environment in Koriyama 12 indicators covering environment for Koriyama. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -6.5 Percentage change 2025 down 116.7% 975th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.02 Tonnes of CO2-equivalent 2024 unchanged 703rd Land surface temperature - Cities and FUAs — Daytime summer land 27.11 Degrees celsius 2024 down 3.6% 1034th Land surface temperature - Cities and FUAs — Daytime winter land 5.92 Degrees celsius 2024 up 55.6% 795th Land surface temperature - Cities and FUAs — Daytime yearly land 16.24 Degrees celsius 2024 down 8.8% 1258th Land surface temperature - Cities and FUAs — Nighttime summer land 18.11 Degrees celsius 2024 up 6.3% 499th Land surface temperature - Cities and FUAs — Nighttime winter land -1.28 Degrees celsius 2024 up 62.7% 889th Land surface temperature - Cities and FUAs — Nighttime yearly land 6.92 Degrees celsius 2024 down 6.4% 933rd Air pollution - Cities and FUAs — Population exposure to nitrogen 8.87 Microgrammes per cubic metre 2025 — 1107th Air pollution - Cities and FUAs — Population exposure to ozone 68.9 Microgrammes per cubic metre 2025 — 874th Air pollution - Cities and FUAs — Population exposure to PM10 24.87 Microgrammes per cubic metre 2025 — 1110th Air pollution - Cities and FUAs — Population exposure to PM2.5 8 Microgrammes per cubic metre 2025 — 1220th