Environment in Mérida 13 indicators covering environment for Mérida. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 4.3 Percentage change 2025 up 178.2% 120th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.01 Tonnes of CO2-equivalent 2024 unchanged 872nd Total and environment-related patents - FUAs — Patent applications 0.2 Patents 2022 down 80.0% 848th Land surface temperature - Cities and FUAs — Daytime summer land 42.82 Degrees celsius 2024 up 0.4% 48th Land surface temperature - Cities and FUAs — Daytime winter land 14.04 Degrees celsius 2024 down 5.8% 345th Land surface temperature - Cities and FUAs — Daytime yearly land 30.2 Degrees celsius 2024 down 1.5% 182nd Land surface temperature - Cities and FUAs — Nighttime summer land 18.76 Degrees celsius 2024 up 7.1% 444th Land surface temperature - Cities and FUAs — Nighttime winter land 4.96 Degrees celsius 2024 up 57.2% 329th Land surface temperature - Cities and FUAs — Nighttime yearly land 11.8 Degrees celsius 2024 up 4.5% 323rd Air pollution - Cities and FUAs — Population exposure to nitrogen 25.86 Microgrammes per cubic metre 2025 — 752nd Air pollution - Cities and FUAs — Population exposure to ozone 134.16 Microgrammes per cubic metre 2025 — 69th Air pollution - Cities and FUAs — Population exposure to PM10 38.24 Microgrammes per cubic metre 2025 — 644th Air pollution - Cities and FUAs — Population exposure to PM2.5 22.79 Microgrammes per cubic metre 2025 — 874th