Environment in San Francisco (Greater) 13 indicators covering environment for San Francisco (Greater). IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -3.9 Percentage change 2025 up 78.8% 771st Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 3.59 Tonnes of CO2-equivalent 2024 down 4.5% 9th Total and environment-related patents - FUAs — Patent applications 8,991 Patents 2022 up 38.7% 1st Land surface temperature - Cities and FUAs — Daytime summer land 36.05 Degrees celsius 2024 down 0.4% 244th Land surface temperature - Cities and FUAs — Daytime winter land 14.84 Degrees celsius 2024 down 11.5% 318th Land surface temperature - Cities and FUAs — Daytime yearly land 28.24 Degrees celsius 2024 up 0.2% 255th Land surface temperature - Cities and FUAs — Nighttime summer land 14.79 Degrees celsius 2024 up 6.9% 900th Land surface temperature - Cities and FUAs — Nighttime winter land 5.2 Degrees celsius 2024 up 11.0% 317th Land surface temperature - Cities and FUAs — Nighttime yearly land 10.23 Degrees celsius 2024 up 7.8% 456th Air pollution - Cities and FUAs — Population exposure to nitrogen 20.24 Microgrammes per cubic metre 2025 — 801st Air pollution - Cities and FUAs — Population exposure to ozone 44.06 Microgrammes per cubic metre 2025 — 1286th Air pollution - Cities and FUAs — Population exposure to PM10 29.03 Microgrammes per cubic metre 2025 — 989th Air pollution - Cities and FUAs — Population exposure to PM2.5 9.24 Microgrammes per cubic metre 2025 — 1136th