Environment in Washington (Greater) 13 indicators covering environment for Washington (Greater). IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 5.2 Percentage change 2025 up 5,300.0% 89th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.75 Tonnes of CO2-equivalent 2024 down 1.3% 50th Total and environment-related patents - FUAs — Patent applications 1,316 Patents 2022 up 33.4% 13th Land surface temperature - Cities and FUAs — Daytime summer land 31.5 Degrees celsius 2024 up 1.0% 532nd Land surface temperature - Cities and FUAs — Daytime winter land 8.93 Degrees celsius 2024 up 37.6% 638th Land surface temperature - Cities and FUAs — Daytime yearly land 21.94 Degrees celsius 2024 up 7.0% 632nd Land surface temperature - Cities and FUAs — Nighttime summer land 18.79 Degrees celsius 2024 down 0.5% 439th Land surface temperature - Cities and FUAs — Nighttime winter land -1.28 Degrees celsius 2024 up 73.2% 880th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.7 Degrees celsius 2024 up 32.1% 750th Air pollution - Cities and FUAs — Population exposure to nitrogen 21.73 Microgrammes per cubic metre 2025 — 781st Air pollution - Cities and FUAs — Population exposure to ozone 49.8 Microgrammes per cubic metre 2025 — 1207th Air pollution - Cities and FUAs — Population exposure to PM10 18.57 Microgrammes per cubic metre 2025 — 1249th Air pollution - Cities and FUAs — Population exposure to PM2.5 7.99 Microgrammes per cubic metre 2025 — 1214th