Environment in Milwaukee 13 indicators covering environment for Milwaukee. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -0.1 Percentage change 2025 down 103.8% 394th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.37 Tonnes of CO2-equivalent 2024 down 2.6% 122nd Total and environment-related patents - FUAs — Patent applications 335.4 Patents 2022 up 45.6% 44th Land surface temperature - Cities and FUAs — Daytime summer land 29.92 Degrees celsius 2024 down 7.0% 698th Land surface temperature - Cities and FUAs — Daytime winter land 4.51 Degrees celsius 2024 up 314.3% 941st Land surface temperature - Cities and FUAs — Daytime yearly land 20.99 Degrees celsius 2024 up 7.2% 728th Land surface temperature - Cities and FUAs — Nighttime summer land 16.95 Degrees celsius 2024 down 4.4% 608th Land surface temperature - Cities and FUAs — Nighttime winter land -4.38 Degrees celsius 2024 up 55.9% 1171st Land surface temperature - Cities and FUAs — Nighttime yearly land 7.1 Degrees celsius 2024 up 63.3% 889th Air pollution - Cities and FUAs — Population exposure to nitrogen 18.34 Microgrammes per cubic metre 2025 — 832nd Air pollution - Cities and FUAs — Population exposure to ozone 52.53 Microgrammes per cubic metre 2025 — 1138th Air pollution - Cities and FUAs — Population exposure to PM10 21.02 Microgrammes per cubic metre 2025 — 1190th Air pollution - Cities and FUAs — Population exposure to PM2.5 10.61 Microgrammes per cubic metre 2025 — 1067th