Environment in Santiago 12 indicators covering environment for Santiago. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -2.3 Percentage change 2025 up 79.8% 608th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 4.58 Tonnes of CO2-equivalent 2024 up 20.2% 5th Land surface temperature - Cities and FUAs — Daytime summer land 36.67 Degrees celsius 2024 down 2.8% 213th Land surface temperature - Cities and FUAs — Daytime winter land 11.48 Degrees celsius 2024 down 24.0% 504th Land surface temperature - Cities and FUAs — Daytime yearly land 28.87 Degrees celsius 2024 down 3.1% 220th Land surface temperature - Cities and FUAs — Nighttime summer land 13.4 Degrees celsius 2024 up 3.4% 1114th Land surface temperature - Cities and FUAs — Nighttime winter land -0.1714 Degrees celsius 2024 down 132.8% 761st Land surface temperature - Cities and FUAs — Nighttime yearly land 7.7 Degrees celsius 2024 up 5.9% 758th Air pollution - Cities and FUAs — Population exposure to nitrogen 33.14 Microgrammes per cubic metre 2025 — 647th Air pollution - Cities and FUAs — Population exposure to ozone 68.19 Microgrammes per cubic metre 2025 — 886th Air pollution - Cities and FUAs — Population exposure to PM10 176 Microgrammes per cubic metre 2025 — 11th Air pollution - Cities and FUAs — Population exposure to PM2.5 173.08 Microgrammes per cubic metre 2025 — 1st