Environment in Busan 12 indicators covering environment for Busan. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -10.9 Percentage change 2025 down 273.0% 1210th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 1.05 Tonnes of CO2-equivalent 2024 up 28.0% 35th Land surface temperature - Cities and FUAs — Daytime summer land 29.89 Degrees celsius 2024 down 4.5% 707th Land surface temperature - Cities and FUAs — Daytime winter land 7.69 Degrees celsius 2024 up 41.5% 699th Land surface temperature - Cities and FUAs — Daytime yearly land 18.08 Degrees celsius 2024 up 1.6% 1105th Land surface temperature - Cities and FUAs — Nighttime summer land 20.9 Degrees celsius 2024 up 6.3% 245th Land surface temperature - Cities and FUAs — Nighttime winter land -0.196 Degrees celsius 2024 up 91.3% 767th Land surface temperature - Cities and FUAs — Nighttime yearly land 8.05 Degrees celsius 2024 up 6.4% 685th Air pollution - Cities and FUAs — Population exposure to nitrogen 20.17 Microgrammes per cubic metre 2025 — 802nd Air pollution - Cities and FUAs — Population exposure to ozone 69.13 Microgrammes per cubic metre 2025 — 871st Air pollution - Cities and FUAs — Population exposure to PM10 24.57 Microgrammes per cubic metre 2025 — 1115th Air pollution - Cities and FUAs — Population exposure to PM2.5 15.04 Microgrammes per cubic metre 2025 — 1000th