Environment in Seattle 13 indicators covering environment for Seattle. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs β Land soil moisture anomaly -4.2 Percentage change 2025 unchanged 795th Greenhouse gas emissions - Cities and FUAs β GHG emissions from waste 1.58 Tonnes of CO2-equivalent 2024 down 4.2% 25th Total and environment-related patents - FUAs β Patent applications 2,061 Patents 2022 up 31.6% 7th Land surface temperature - Cities and FUAs β Daytime summer land 24.42 Degrees celsius 2024 down 5.3% 1270th Land surface temperature - Cities and FUAs β Daytime winter land 2.83 Degrees celsius 2024 up 6.4% 1142nd Land surface temperature - Cities and FUAs β Daytime yearly land 16.89 Degrees celsius 2024 down 2.7% 1220th Land surface temperature - Cities and FUAs β Nighttime summer land 10.69 Degrees celsius 2024 up 5.1% 1290th Land surface temperature - Cities and FUAs β Nighttime winter land -3.77 Degrees celsius 2024 up 4.6% 1124th Land surface temperature - Cities and FUAs β Nighttime yearly land 4.01 Degrees celsius 2024 up 7.2% 1292nd Air pollution - Cities and FUAs β Population exposure to nitrogen 18.7 Microgrammes per cubic metre 2025 β 827th Air pollution - Cities and FUAs β Population exposure to ozone 38.88 Microgrammes per cubic metre 2025 β 1316th Air pollution - Cities and FUAs β Population exposure to PM10 16.21 Microgrammes per cubic metre 2025 β 1293rd Air pollution - Cities and FUAs β Population exposure to PM2.5 6.15 Microgrammes per cubic metre 2025 β 1315th