Environment in San Antonio 16 indicators covering environment for San Antonio. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -9.5 Percentage change 2025 down 215.9% 1133rd Historical exposure to drought — Cropland soil moisture anomaly 3.55 Percentage change 2025 up 156.8% 310th Historical exposure to drought — Land soil moisture anomaly 3.8 Percentage change 2025 up 160.8% 289th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.06 Tonnes of CO2-equivalent 2024 up 50.0% 442nd River flooding exposure — Cropland share exposed to river flooding 2.78 Percentage of agricultural land area 2022 up 2.2% 1386th Total and environment-related patents - FUAs — Patent applications 91.5 Patents 2022 up 10.8% 140th Land surface temperature - Cities and FUAs — Daytime summer land 31.88 Degrees celsius 2024 down 2.6% 499th Land surface temperature - Cities and FUAs — Daytime winter land 13.66 Degrees celsius 2024 down 11.3% 365th Land surface temperature - Cities and FUAs — Daytime yearly land 25.01 Degrees celsius 2024 down 6.2% 410th Land surface temperature - Cities and FUAs — Nighttime summer land 23.11 Degrees celsius 2024 up 2.0% 74th Land surface temperature - Cities and FUAs — Nighttime winter land 4.03 Degrees celsius 2024 down 10.1% 384th Land surface temperature - Cities and FUAs — Nighttime yearly land 16.84 Degrees celsius 2024 up 11.6% 113th Air pollution - Cities and FUAs — Population exposure to nitrogen 13.43 Microgrammes per cubic metre 2025 — 905th Air pollution - Cities and FUAs — Population exposure to ozone 52.19 Microgrammes per cubic metre 2025 — 1141st Air pollution - Cities and FUAs — Population exposure to PM10 26.04 Microgrammes per cubic metre 2025 — 1069th Air pollution - Cities and FUAs — Population exposure to PM2.5 9.14 Microgrammes per cubic metre 2025 — 1136th