Environment in Chicago 13 indicators covering environment for Chicago. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -0.1 Percentage change 2025 down 102.8% 394th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 4.85 Tonnes of CO2-equivalent 2024 down 3.8% 4th Total and environment-related patents - FUAs — Patent applications 1,178 Patents 2022 down 33.4% 14th Land surface temperature - Cities and FUAs — Daytime summer land 30.06 Degrees celsius 2024 down 4.3% 679th Land surface temperature - Cities and FUAs — Daytime winter land 7.07 Degrees celsius 2024 up 227.5% 733rd Land surface temperature - Cities and FUAs — Daytime yearly land 21.85 Degrees celsius 2024 up 8.1% 646th Land surface temperature - Cities and FUAs — Nighttime summer land 17.16 Degrees celsius 2024 down 3.0% 585th Land surface temperature - Cities and FUAs — Nighttime winter land -3.23 Degrees celsius 2024 up 64.5% 1090th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.51 Degrees celsius 2024 up 56.0% 794th Air pollution - Cities and FUAs — Population exposure to nitrogen 21.22 Microgrammes per cubic metre 2025 — 791st Air pollution - Cities and FUAs — Population exposure to ozone 49.87 Microgrammes per cubic metre 2025 — 1211th Air pollution - Cities and FUAs — Population exposure to PM10 28.17 Microgrammes per cubic metre 2025 — 1012th Air pollution - Cities and FUAs — Population exposure to PM2.5 11.09 Microgrammes per cubic metre 2025 — 1050th