Environment in Delaware 13 indicators covering environment for Delaware. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 1.6 Percentage change 2025 up 77.8% 271st Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.01 Tonnes of CO2-equivalent 2024 unchanged 872nd Total and environment-related patents - FUAs — Patent applications 3 Patents 2022 down 53.1% 626th Land surface temperature - Cities and FUAs — Daytime summer land 28.34 Degrees celsius 2024 down 2.0% 896th Land surface temperature - Cities and FUAs — Daytime winter land 8.15 Degrees celsius 2024 up 154.3% 679th Land surface temperature - Cities and FUAs — Daytime yearly land 22.73 Degrees celsius 2024 up 7.2% 570th Land surface temperature - Cities and FUAs — Nighttime summer land 16.13 Degrees celsius 2024 down 6.0% 687th Land surface temperature - Cities and FUAs — Nighttime winter land -3.49 Degrees celsius 2024 up 58.4% 1106th Land surface temperature - Cities and FUAs — Nighttime yearly land 8.04 Degrees celsius 2024 up 17.8% 689th Air pollution - Cities and FUAs — Population exposure to nitrogen 9.97 Microgrammes per cubic metre 2025 — 1054th Air pollution - Cities and FUAs — Population exposure to ozone 51.48 Microgrammes per cubic metre 2025 — 1167th Air pollution - Cities and FUAs — Population exposure to PM10 21.35 Microgrammes per cubic metre 2025 — 1184th Air pollution - Cities and FUAs — Population exposure to PM2.5 8.58 Microgrammes per cubic metre 2025 — 1180th