Environment in Nagasaki 12 indicators covering environment for Nagasaki. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -4.7 Percentage change 2025 down 223.7% 839th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.01 Tonnes of CO2-equivalent 2024 unchanged 872nd Land surface temperature - Cities and FUAs — Daytime summer land 28.91 Degrees celsius 2024 down 2.2% 823rd Land surface temperature - Cities and FUAs — Daytime winter land 12.1 Degrees celsius 2024 up 22.7% 456th Land surface temperature - Cities and FUAs — Daytime yearly land 21.18 Degrees celsius 2024 down 1.3% 705th Land surface temperature - Cities and FUAs — Nighttime summer land 21.47 Degrees celsius 2024 up 4.9% 190th Land surface temperature - Cities and FUAs — Nighttime winter land 4.91 Degrees celsius 2024 up 125.1% 334th Land surface temperature - Cities and FUAs — Nighttime yearly land 11.97 Degrees celsius 2024 up 6.5% 311th Air pollution - Cities and FUAs — Population exposure to nitrogen 8.84 Microgrammes per cubic metre 2025 — 1108th Air pollution - Cities and FUAs — Population exposure to ozone 68.53 Microgrammes per cubic metre 2025 — 878th Air pollution - Cities and FUAs — Population exposure to PM10 22.63 Microgrammes per cubic metre 2025 — 1162nd Air pollution - Cities and FUAs — Population exposure to PM2.5 10.93 Microgrammes per cubic metre 2025 — 1056th