Environment in Houston 13 indicators covering environment for Houston. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 6.1 Percentage change 2025 up 69.4% 66th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 1.83 Tonnes of CO2-equivalent 2024 down 1.6% 21st Total and environment-related patents - FUAs — Patent applications 1,509 Patents 2022 down 26.3% 10th Land surface temperature - Cities and FUAs — Daytime summer land 35.26 Degrees celsius 2024 down 3.0% 282nd Land surface temperature - Cities and FUAs — Daytime winter land 19.75 Degrees celsius 2024 up 9.4% 195th Land surface temperature - Cities and FUAs — Daytime yearly land 29.15 Degrees celsius 2024 down 1.2% 213th Land surface temperature - Cities and FUAs — Nighttime summer land 23.91 Degrees celsius 2024 up 3.1% 44th Land surface temperature - Cities and FUAs — Nighttime winter land 8.73 Degrees celsius 2024 up 19.9% 172nd Land surface temperature - Cities and FUAs — Nighttime yearly land 17.8 Degrees celsius 2024 up 5.1% 84th Air pollution - Cities and FUAs — Population exposure to nitrogen 20.82 Microgrammes per cubic metre 2025 — 795th Air pollution - Cities and FUAs — Population exposure to ozone 45.87 Microgrammes per cubic metre 2025 — 1268th Air pollution - Cities and FUAs — Population exposure to PM10 40.02 Microgrammes per cubic metre 2025 — 563rd Air pollution - Cities and FUAs — Population exposure to PM2.5 11.48 Microgrammes per cubic metre 2025 — 1041st