Environment in Niigata 12 indicators covering environment for Niigata. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -2.1 Percentage change 2025 up 53.3% 583rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.03 Tonnes of CO2-equivalent 2024 down 25.0% 590th Land surface temperature - Cities and FUAs — Daytime summer land 33.73 Degrees celsius 2024 down 4.8% 376th Land surface temperature - Cities and FUAs — Daytime winter land 9.27 Degrees celsius 2024 up 175.6% 630th Land surface temperature - Cities and FUAs — Daytime yearly land 23.45 Degrees celsius 2024 down 4.8% 520th Land surface temperature - Cities and FUAs — Nighttime summer land 19.64 Degrees celsius 2024 down 5.8% 364th Land surface temperature - Cities and FUAs — Nighttime winter land 0.8606 Degrees celsius 2024 up 185.4% 646th Land surface temperature - Cities and FUAs — Nighttime yearly land 11.29 Degrees celsius 2024 down 3.6% 363rd Air pollution - Cities and FUAs — Population exposure to nitrogen 8.47 Microgrammes per cubic metre 2025 — 1126th Air pollution - Cities and FUAs — Population exposure to ozone 77.02 Microgrammes per cubic metre 2025 — 762nd Air pollution - Cities and FUAs — Population exposure to PM10 27.98 Microgrammes per cubic metre 2025 — 1019th Air pollution - Cities and FUAs — Population exposure to PM2.5 7.51 Microgrammes per cubic metre 2025 — 1264th