Environment in Oklahoma 21 indicators covering environment for Oklahoma. IndicatorLatest Year10-yr change Rank Historical exposure to drought — Land soil moisture anomaly -0.1572 Percentage change 2025 down 185.7% 942nd Drought - Cities and FUAs — Land soil moisture anomaly 4 Percentage change 2025 up 2.6% 131st Historical exposure to drought — Cropland soil moisture anomaly -3.06 Percentage change 2025 down 373.8% 1658th Exposure to drought — Cropland soil moisture anomaly -13.1 Percentage change 2024 up 19.7% 556th Exposure to drought — Land soil moisture anomaly -7.01 Percentage change 2024 up 32.0% 572nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.58 Tonnes of CO2-equivalent 2024 down 3.3% 72nd River flooding exposure — Cropland share exposed to river flooding 4.37 Percentage of agricultural land area 2022 up 0.3% 1015th Total and environment-related patents - FUAs — Patent applications 36.8 Patents 2022 down 1.1% 259th Land surface temperature - Cities and FUAs — Daytime summer land 35.07 Degrees celsius 2024 up 1.1% 295th Land surface temperature - Cities and FUAs — Daytime winter land 13.98 Degrees celsius 2024 up 11.1% 349th Land surface temperature - Cities and FUAs — Daytime yearly land 26.41 Degrees celsius 2024 up 3.2% 339th Land surface temperature - Cities and FUAs — Nighttime summer land 21.68 Degrees celsius 2024 up 3.2% 170th Land surface temperature - Cities and FUAs — Nighttime winter land -1.8 Degrees celsius 2024 up 43.5% 952nd Land surface temperature - Cities and FUAs — Nighttime yearly land 9.96 Degrees celsius 2024 up 40.6% 476th Air pollution - Cities and FUAs — Population exposure to PM10 22.46 Microgrammes per cubic metre 2025 — 1159th Air pollution - Cities and FUAs — Population exposure to PM2.5 8.8 Microgrammes per cubic metre 2025 — 1158th Air pollution - Cities and FUAs — Population exposure to ozone 58.93 Microgrammes per cubic metre 2025 — 1003rd Air pollution - Cities and FUAs — Population exposure to nitrogen 14.74 Microgrammes per cubic metre 2025 — 872nd Land cover and land cover change — Grassland 98,406 Square kilometres 2022 up 0.2% 85th Land cover and land cover change — Loss of cropland 1,164 Square kilometres 2022 up 91.5% 211th Land cover and land cover change — Gain of artificial surfaces 928.92 Square kilometres 2022 up 101.1% 140th