Environment in Allen 13 indicators covering environment for Allen. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs β Land soil moisture anomaly -1.6 Percentage change 2025 down 277.8% 535th Greenhouse gas emissions - Cities and FUAs β GHG emissions from waste 0.38 Tonnes of CO2-equivalent 2024 down 2.6% 118th Total and environment-related patents - FUAs β Patent applications 17.1 Patents 2022 down 67.1% 375th Land surface temperature - Cities and FUAs β Daytime summer land 29.65 Degrees celsius 2024 down 0.1% 735th Land surface temperature - Cities and FUAs β Daytime winter land 7.44 Degrees celsius 2024 up 157.8% 714th Land surface temperature - Cities and FUAs β Daytime yearly land 22.71 Degrees celsius 2024 up 5.8% 571st Land surface temperature - Cities and FUAs β Nighttime summer land 16.36 Degrees celsius 2024 down 5.0% 659th Land surface temperature - Cities and FUAs β Nighttime winter land -4.11 Degrees celsius 2024 up 54.2% 1154th Land surface temperature - Cities and FUAs β Nighttime yearly land 7.71 Degrees celsius 2024 up 31.4% 752nd Air pollution - Cities and FUAs β Population exposure to nitrogen 12.85 Microgrammes per cubic metre 2025 β 934th Air pollution - Cities and FUAs β Population exposure to ozone 50.72 Microgrammes per cubic metre 2025 β 1187th Air pollution - Cities and FUAs β Population exposure to PM10 21.82 Microgrammes per cubic metre 2025 β 1175th Air pollution - Cities and FUAs β Population exposure to PM2.5 9.97 Microgrammes per cubic metre 2025 β 1093rd