Environment in Alcalá de Henares 12 indicators covering environment for Alcalá de Henares. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -1.1 Percentage change 2025 up 81.0% 481st Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.04 Tonnes of CO2-equivalent 2024 down 20.0% 531st Land surface temperature - Cities and FUAs — Daytime summer land 41.96 Degrees celsius 2024 up 2.9% 65th Land surface temperature - Cities and FUAs — Daytime winter land 12.08 Degrees celsius 2024 down 1.6% 453rd Land surface temperature - Cities and FUAs — Daytime yearly land 29.22 Degrees celsius 2024 down 1.9% 210th Land surface temperature - Cities and FUAs — Nighttime summer land 19.5 Degrees celsius 2024 up 5.0% 371st Land surface temperature - Cities and FUAs — Nighttime winter land 2.1 Degrees celsius 2024 up 1,901.4% 495th Land surface temperature - Cities and FUAs — Nighttime yearly land 11.07 Degrees celsius 2024 up 3.7% 382nd Air pollution - Cities and FUAs — Population exposure to nitrogen 42.26 Microgrammes per cubic metre 2025 — 361st Air pollution - Cities and FUAs — Population exposure to ozone 103.14 Microgrammes per cubic metre 2025 — 278th Air pollution - Cities and FUAs — Population exposure to PM10 37.79 Microgrammes per cubic metre 2025 — 665th Air pollution - Cities and FUAs — Population exposure to PM2.5 25.64 Microgrammes per cubic metre 2025 — 738th