Environment in Cheonan 12 indicators covering environment for Cheonan. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -3.5 Percentage change 2025 down 133.3% 727th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.4 Tonnes of CO2-equivalent 2024 up 29.0% 108th Land surface temperature - Cities and FUAs — Daytime summer land 30.34 Degrees celsius 2024 down 4.4% 648th Land surface temperature - Cities and FUAs — Daytime winter land 5.57 Degrees celsius 2024 up 218.4% 834th Land surface temperature - Cities and FUAs — Daytime yearly land 18.93 Degrees celsius 2024 up 7.2% 995th Land surface temperature - Cities and FUAs — Nighttime summer land 19.76 Degrees celsius 2024 up 4.9% 351st Land surface temperature - Cities and FUAs — Nighttime winter land -2.72 Degrees celsius 2024 up 63.7% 1047th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.63 Degrees celsius 2024 up 47.3% 769th Air pollution - Cities and FUAs — Population exposure to nitrogen 17.68 Microgrammes per cubic metre 2025 — 839th Air pollution - Cities and FUAs — Population exposure to ozone 61.56 Microgrammes per cubic metre 2025 — 977th Air pollution - Cities and FUAs — Population exposure to PM10 29.91 Microgrammes per cubic metre 2025 — 970th Air pollution - Cities and FUAs — Population exposure to PM2.5 18.4 Microgrammes per cubic metre 2025 — 964th