Environment in Gunsan 12 indicators covering environment for Gunsan. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs β Land soil moisture anomaly -5 Percentage change 2025 down 516.7% 864th Greenhouse gas emissions - Cities and FUAs β GHG emissions from waste 0.2 Tonnes of CO2-equivalent 2024 up 17.6% 201st Land surface temperature - Cities and FUAs β Daytime summer land 29.8 Degrees celsius 2024 down 5.2% 720th Land surface temperature - Cities and FUAs β Daytime winter land 7.5 Degrees celsius 2024 up 76.7% 711th Land surface temperature - Cities and FUAs β Daytime yearly land 20.06 Degrees celsius 2024 up 1.0% 848th Land surface temperature - Cities and FUAs β Nighttime summer land 20.67 Degrees celsius 2024 up 3.1% 277th Land surface temperature - Cities and FUAs β Nighttime winter land -1.65 Degrees celsius 2024 up 71.9% 943rd Land surface temperature - Cities and FUAs β Nighttime yearly land 7.57 Degrees celsius 2024 up 33.9% 781st Air pollution - Cities and FUAs β Population exposure to nitrogen 11.51 Microgrammes per cubic metre 2025 β 984th Air pollution - Cities and FUAs β Population exposure to ozone 73.43 Microgrammes per cubic metre 2025 β 810th Air pollution - Cities and FUAs β Population exposure to PM10 29.47 Microgrammes per cubic metre 2025 β 980th Air pollution - Cities and FUAs β Population exposure to PM2.5 18.13 Microgrammes per cubic metre 2025 β 970th