Environment in Memphis 13 indicators covering environment for Memphis. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -2.8 Percentage change 2025 down 180.0% 659th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.33 Tonnes of CO2-equivalent 2024 down 2.9% 134th Total and environment-related patents - FUAs — Patent applications 87 Patents 2022 down 35.2% 148th Land surface temperature - Cities and FUAs — Daytime summer land 33.01 Degrees celsius 2024 down 0.1% 420th Land surface temperature - Cities and FUAs — Daytime winter land 13.05 Degrees celsius 2024 up 38.1% 400th Land surface temperature - Cities and FUAs — Daytime yearly land 24.28 Degrees celsius 2024 up 3.0% 452nd Land surface temperature - Cities and FUAs — Nighttime summer land 21.3 Degrees celsius 2024 down 2.3% 202nd Land surface temperature - Cities and FUAs — Nighttime winter land 1.4 Degrees celsius 2024 up 585.4% 582nd Land surface temperature - Cities and FUAs — Nighttime yearly land 12.01 Degrees celsius 2024 up 5.2% 307th Air pollution - Cities and FUAs — Population exposure to nitrogen 12.67 Microgrammes per cubic metre 2025 — 937th Air pollution - Cities and FUAs — Population exposure to ozone 50.02 Microgrammes per cubic metre 2025 — 1205th Air pollution - Cities and FUAs — Population exposure to PM10 27.98 Microgrammes per cubic metre 2025 — 1018th Air pollution - Cities and FUAs — Population exposure to PM2.5 9.4 Microgrammes per cubic metre 2025 — 1129th